U.S. public vehicle records

Cadillac CT5 transmission problems

25 complaint narratives mention transmission terms.

Key facts

107 owner complaints analyzed

6 distinct recall campaigns

13,233 mi median reported failure mileage

Scope: 2020 to 2026 model years. Data updated: 2026-10-01 (October 1, 2026). 18 complaints include usable failure mileage. View data status.

Transmission and shifting evidence

25 of 107 complaints match this topic (23.4%). The keyword filter can include complaints that mention a transmission without reporting its failure. View matching rules.

Owner report 11654080 · 2025-04-11 (April 11, 2025)

Safety Concerns and Defects: I am reporting several safety-related defects in my 2020 Cadillac CT5, which have posed serious risks to me and my family: ⸻ 1. Transmission Pump Failure: •The transmission pump failed, causing loss of power and jerking while driving at highway speeds. This occurred on[XXX] in Georgia with my two small children in the car, putting us at high risk of a crash. •No warning lights appeared, and the failure was diagnosed by the dealer (Hennessey Cadillac). 2. EVAP System Failure (P0451): •A fuel tank pressure sensor …

Owner-reported narrative. Look up ODI 11654080 at NHTSA ↗

Owner report 11664417 · 2025-06-02 (June 2, 2025)

The contact's sister owns a 2020 Cadillac CT5. The contact stated that while his sister was driving at an undisclosed speed, the rear wheels locked up. The driver was able to pull over to the side of the road. The vehicle was towed to the dealer, where it was diagnosed and determined that the rear wheels had locked up, causing damages to the transmission. The dealer determined that the transmission needed to be replaced but at the vehicle owner's expense. The vehicle was not repaired. The contact became aware that the VIN was included in NHTSA …

Owner-reported narrative. Look up ODI 11664417 at NHTSA ↗

Owner report 11665068 · 2025-06-05 (June 5, 2025)

Regarding NHTSA Campaign ID 25V148, GM recall N242480630. The recall was for a potential transmission control valve issue where some vehicles may be susceptible to excess wear over time, resulting in gradual loss of pressure within the valve that can cause harsh shifting. With the recall we finally knew what was wrong with the vehicle. We have a defective transmission control valve. The transmission was replaced in 2022 and now needs to be replaced again. At the appointment for the recall we expressed that the transmission control valve has alr…

Owner-reported narrative. Look up ODI 11665068 at NHTSA ↗

Owner report 11671918 · 2025-07-08 (July 8, 2025)

The contact owns a 2020 Cadillac CT5. The contact stated that while driving at various speeds, the transmission was slipping while shifting gear. Additionally, the contact stated that there was a delay while shifting gear. The check engine warning light remained illuminated intermittently. The vehicle was taken to a local dealer where the vehicle was diagnosed, and the contact was advised that there was no failure found with the vehicle. The vehicle was not repaired. The manufacturer was notified of the failure. The approximate failure mileage …

Owner-reported narrative. 12,000 miles reported. Look up ODI 11671918 at NHTSA ↗

Owner report 11681128 · 2025-08-17 (August 17, 2025)

Major safety Concern Faulty valve body and transmission dealership failed to disclose. Service manager drove vehicle with bent wheels. That is how the bent wheels were discovered. Not from inspection. Wheels evidently bent under dealership possession. 2020 Cadillac CT5 Vehicle financed at 12K Miles with certified pre owned, bumper to bumper, and powertrain warranties in February 2024 showed poor driving, shifting, acceleration and abnormal behaviors such as slow and delayed shifting/acceleration, loud shifting, jerking, and strange noises from …

Owner-reported narrative. Look up ODI 11681128 at NHTSA ↗

Explore the data

Vehicle analysis explorer

Inspect model-year patterns, reported mileage, monthly activity and the evidence behind each signal.

Data completeness

107 unique complaints in this selection. Analysis snapshot: 2026-10-01.

16.8%Usable mileage18 / 107 records

100.0%Valid incident date107 / 107 records

100.0%Valid filing date107 / 107 records

100.0%Ordered incident and filing dates107 / 107 records

Missing, zero and invalid mileage is excluded. Dates after the snapshot are excluded. Examples are limited selections, not a representative sample.

Problems by model year

Model-wide comparison of the eight most reported components across the model. Cells show counts and shares within each model year. Open a cell for source examples.

From model yearThrough model year

Component complaint heatmap
Component	2020	2021	2022	2023	2024	2025	2026
Electrical System	820.5% ODI 11359880 · 300 mi PURCHASED MY 2020 CT5 IN APRIL 2020. SINCE THEN THE VEHICLE HAS BEEN AT THE DEALERSHIP 5 TIMES FOR THE SAME SERVICE DRIVER ASSIST AND FORWARD COLLISION SYSTEM UNAVAILABLE. GM HAS DISPATCHED A SENIOR ADVISOR TO TEST THE VEHICLE AND EVEN LEFT A CODE READER IN THE VEHICLE TO TRACK ITS PERFORMANCE. MESSAGES CAME ON AGAIN. I RECORDED IT AS INSTRUCTED AND THE DEVICE WAS SENT BACK TO THE GM ENGINEERS. IT HAS BEEN OVER A MONTH TODAY 18 SEPTEMBER AND STILL NO UPDATE AS TO WHAT'S WRONG WITH THIS CAR. THEY'VE REPLACED AND REINSTALLED CAMERAS AND DEVICES A… Look up ODI 11359880 at NHTSA ↗	1241.4% ODI 11605992 When approaching a stopping vehicle the brake pedal became extremely hard to press and I could not brake enough to stop and had a collision. Come to find out that the ABS computer and the main ECU weren't communicating correctly which turned off the assisted braking, assisted steering and the AWD. Look up ODI 11605992 at NHTSA ↗	218.2% ODI 11751375 The driver door will not open from the outside. My car only has 38k miles on it. All doors will open other than the driver door. This is a safety feature that needs to be recalled and fixed. The dealership even told me this happens often. I have to climb through my passenger door to get in the driver seat. I am a single woman and do not feel safe unless I’m in a busy parking lot bc I could easily get mugged while not being able to safely enter my vehicle fast enough. Look up ODI 11751375 at NHTSA ↗	18.3% ODI 11593927 Entire electrical and safety systems, every light on dashboard was lit up, all kinds of safety warning light were on! Because manufacturer uses plant-based materials to wrap wiring, it caused an infestation of rodents that had a snack on my wiring! I could have been in real safety danger had I been on the highway! Look up ODI 11593927 at NHTSA ↗	00.0% No examples available for this selection.	111.1% ODI 11621061 This new 2025 Cadillac CT5 displays incorrect posted speed limits on Rte. 114 Flanders Rd, Gulf Rd, Bear hill Rd , .Ryan Rd, in Henniker NH. speed of 55mph which is incorrect to legal posted speed limits being much slower. This vehicle also shows roads that have no posted speed limit sign of 55 mph, which should be for safety reason(--) Can we have these roads updated to display the correct posted speed limits from the third party supplier /google. Look up ODI 11621061 at NHTSA ↗	120.0% ODI 11747734 Adaptive Cruise control acts like it’s going to maintain a gap (user selectable gap distance is able to be manipulated and displayed on drivers information center) but will rush right onto a preceding cars bumper. I’m told that even though manual transmission cars have the components and illusion that adaptive cruise control works, it doesn’t which is bad if you think it will work. Please make adaptive cruise control work in manual transmission CT5s like it does in auto. Similarly, the Surround Video Recorder equipment is installed but doesn’t… Look up ODI 11747734 at NHTSA ↗
Power Train	1538.5% ODI 11560832 this vehicle has had multiple check engine failures it has been in for service six times in a matter of months. In September I had Service Traction control/StabiliTrack lights come on and the car losses of engine power. I had it serviced again in October for the same issue it was at the dealership for 20 days all they did was clear the code and drove it 38 miles, including the technician driving it home to see if the issue could be duplicated. After the 20th day they advised me to pick up my vehicle and return it when the light were actively on… Look up ODI 11560832 at NHTSA ↗	413.8% ODI 11636164 Service transmission message showed up on dash. Dealer stated after performance test found P17A5 code for shift control. The dealer stated that the gear shift assembly needed to be replaced and if not, that the car could get stuck in gear which I feel is a safety risk. My vehicle only has 37,111 miles on it and I am pretty much the only driver. Look up ODI 11636164 at NHTSA ↗	00.0% No examples available for this selection.	541.7% ODI 11494586 · 130,000 mi The contact owns a 2023 Cadillac CT5. The contact stated while driving 70 MPH, the vehicle started to accelerate independently, exceeding the speed and then the vehicle decelerated without warning. The contact was able to pull over. The vehicle was towed to the dealer and stated that the transmission was faulty, and the anti-lock braking turned off inadvertently. The vehicle was repaired. The manufacturer was contacted, and a case was filed. The failure mileage was 130,000. The VIN was not available. Look up ODI 11494586 at NHTSA ↗	00.0% No examples available for this selection.	00.0% No examples available for this selection.	120.0% ODI 11718643 Catastrophic engine failure within 700 miles Requires full engine replacement Problems began around 150 miles on odometer Message: Reduced accelerated speed Check engine light Service transmission system Service variable valve timing system Look up ODI 11718643 at NHTSA ↗
Unknown Or Other	1128.2% ODI 11355006 · 440 mi WHEN THE VEHICLE IS TRAVELING OVER 50 MPH, AND TAKES SWEEPING TURNS / GRADUAL BENDS ON THE HIGHWAY, IT BECOMES APPARENT THAT TURNING RIGHT IS MUCH HARDER THAN TURNING LEFT. THE STEERING WHEEL IS MUCH STIFFER AND FEELS HEAVIER WHEN MAKING RIGHT TURNS AT SPEED, ALMOST LIKE IT'S PERMANENTLY STUCK IN SPORT MODE WHEN THE WHEEL IS TURNED RIGHT. IT IS CONSTANTLY FIGHTING TO GET BACK TO CENTER WHEN TAKING THOSE RIGHT TURNS AT SPEED. LEFT TURNS ARE FINE. ON TWO OCCASIONS, THE WHEEL SUDDENLY AND VIOLENTLY JERKED LEFT, TRYING TO GET BACK TO CENTER AS I WA… Look up ODI 11355006 at NHTSA ↗	413.8% ODI 11632837 Driver Side door handle stops working. Because the door handle operates with a sensor and not a standard pull door handle something is being affected and it will not open door. Causing safety issue and not being able to enter car normally. Look up ODI 11632837 at NHTSA ↗	00.0% No examples available for this selection.	00.0% No examples available for this selection.	00.0% No examples available for this selection.	333.3% ODI 11614207 This vehicle VIN has a feature called Traffic Sign Assistant, which will provide a readout of the legal posted speed limit for the road being traveled. That information is being provided by a third party source being google maps, the internet is showing increased concerns of this such as below links demonstrate from other consumer drivers using google maps displaying incorrect speed limits on highways or back roads with no resolution. [XXX] [XXX] We also tested another vehicle in a known problem area which is near [XXX] [XXX] in Nashua NH … Look up ODI 11614207 at NHTSA ↗	120.0% ODI 11738910 While driving vehicle at approximately 50 mph in normal driving conditions, the vehicle’s automatic emergency braking/forward collision system activated an alert when a vehicle ahead of me slowed and turned out of my lane. After the lane was fully clear and there was no obstacle in front of the vehicle, the system aggressively braked and brought the car completely to a stop on the highway. During the event, the vehicle temporarily would not respond to accelerator input even while pressing the gas pedal. This created an extremely dangerous situa… Look up ODI 11738910 at NHTSA ↗
Structure:Body	410.3% ODI 11644689 Outer door handle/opening electronic mechanism on multiple doors Defect will inhibit persons from providing emergency service in case of accident Drivers door handle assy. was replaced under warranty, rear passenger door now has same problem No warnings are displayed Look up ODI 11644689 at NHTSA ↗	620.7% ODI 11641989 Currently my passenger door and my rear driver side door do not open from the outside. I already had to have my driver side door handle replaced for the same issue, now three out of four of my handles have failed. If an accident were to occur no one would be able to access the passenger or the rear driver passenger from the outside because the doors do not open. Since I can not open the door from the outside I had to remove the child lock from the rear door so my child can exit the vehicle. Look up ODI 11641989 at NHTSA ↗	327.3% ODI 11711602 Front driver side door unable to open from the outside. Faulty door handle pad. Initially randomly wouldn’t work, would have to press the pressure pad multiple times or press on specific part of the pad. Eventually, stopped working all together. It’s a safety issue if unable to open the door during an emergency. Pretty common issue on Cadillac CT5s regardless of trim. Affects all 4 doors, just happen to be the driver side is the most used. Look up ODI 11711602 at NHTSA ↗	18.3% ODI 11709101 Driver Door continue to not open. You must remove key cover off handle and manually open door with key or roll down all windows with Keyfob to reach in to open doors Look up ODI 11709101 at NHTSA ↗	00.0% No examples available for this selection.	00.0% No examples available for this selection.	00.0% No examples available for this selection.
Engine	717.9% ODI 11560832 this vehicle has had multiple check engine failures it has been in for service six times in a matter of months. In September I had Service Traction control/StabiliTrack lights come on and the car losses of engine power. I had it serviced again in October for the same issue it was at the dealership for 20 days all they did was clear the code and drove it 38 miles, including the technician driving it home to see if the issue could be duplicated. After the 20th day they advised me to pick up my vehicle and return it when the light were actively on… Look up ODI 11560832 at NHTSA ↗	13.4% ODI 11717706 While driving on a very busy highway going downhill when suddenly the vehicle started feeling abnormal like it was going to turn off automatically, heard an abnormal grinding noise coming from the engine the vehicle dropped speed drastically and the check engine light turned on , luckily we were on a part of the road where I merged quickly to the side of the road followed by a sudden engine shut down, the safety of myself and 3 other passengers was very compromised due to nearly being hit by other vehicles coming at a high speed on a main high… Look up ODI 11717706 at NHTSA ↗	00.0% No examples available for this selection.	00.0% No examples available for this selection.	00.0% No examples available for this selection.	222.2% ODI 11640259 I just bought a new car 5 days ago, and after running 378 miles, it started to pull the cylinder. The after-sales service is still delaying the time. I don't know what to do, and Cadillac still doesn't give me a mobility scooter. Look up ODI 11640259 at NHTSA ↗	120.0% ODI 11718643 Catastrophic engine failure within 700 miles Requires full engine replacement Problems began around 150 miles on odometer Message: Reduced accelerated speed Check engine light Service transmission system Service variable valve timing system Look up ODI 11718643 at NHTSA ↗
Air Bags	12.6% ODI 11439475 I have had many issues with Onstar failing. I bought the 2020 Cadillac CT5 AWD 10/2020. It took Onstar over a month to connect to my car to provide AT&T internet plan (via Onstar). On 4/22/21 I was hit in my driver front & wheel, Onstar failed- never contacted us & the airbags did not deploy. I noticed my Onstar light was red. Onstar was repaired during the body shop repair. Soon after I picked up the car (approximately 1 month) the SRS light came on & Onstar turned red again on 7/31/21. Dropped off the car to be repaired 8/13/21. After repair,… Look up ODI 11439475 at NHTSA ↗	26.9% ODI 11430956 There was no indication that the Automatic Braking System, Air Bags and Seatbelts were not working properly. In August 12, 2021, I was in an auto accident where I rear-ended another dodge car. The air bags did not deploy and Onstar was not notified. I believe I hit the steering wheel. I went to the emergency room and have seem my primary doctor once. I have a follow-up appointment this week for pain in the middle of my breast bone. My issuance company will inspect the car, after GM completes their inspection on Monday, August 27, 2021. … Look up ODI 11430956 at NHTSA ↗	218.2% ODI 11474858 Received message on dashboard 'Service Safety Restraint System'. Dealership says that airbag needs to be replaced and it is not safe to drive the car. Manufacture of the car does not have the part and cannot repair the car. No timeframe on when the car can be repaired was given. GM is already under investigation for this same exact issue from 2021 where 15 collisions resulted in airbags not deploying. Look up ODI 11474858 at NHTSA ↗	18.3% ODI 11676071 The lane departure didn’t work as expected to avoid a crash. I was hurt and bruised due to the air bags never deployed after hit on right wheel number flew off causing my to go into 5 guard rails . The whole front end was destroyed into pieces “no airbags” I’m lucky to be alive. It was inspected by police and my insurance company consider it total loss.nothing before or after the impact Look up ODI 11676071 at NHTSA ↗	150.0% ODI 11701084 Air bags did not deploy in bad car accident. Safety issue. Look up ODI 11701084 at NHTSA ↗	111.1% ODI 11766843 My car was hit from behind very hard and my head hit the steering wheel. The whole back was crushed and the airbagss did not deploy. Look up ODI 11766843 at NHTSA ↗	00.0% No examples available for this selection.
Forward Collision Avoidance: Automatic Emergency Braking	00.0% No examples available for this selection.	26.9% ODI 11430956 There was no indication that the Automatic Braking System, Air Bags and Seatbelts were not working properly. In August 12, 2021, I was in an auto accident where I rear-ended another dodge car. The air bags did not deploy and Onstar was not notified. I believe I hit the steering wheel. I went to the emergency room and have seem my primary doctor once. I have a follow-up appointment this week for pain in the middle of my breast bone. My issuance company will inspect the car, after GM completes their inspection on Monday, August 27, 2021. … Look up ODI 11430956 at NHTSA ↗	19.1% ODI 11648919 The front wheels are locking up sometimes when either hitting a bump in the road or just out of the blue while driving. The auto braking will engage quickly and then shut off. Look up ODI 11648919 at NHTSA ↗	18.3% ODI 11676071 The lane departure didn’t work as expected to avoid a crash. I was hurt and bruised due to the air bags never deployed after hit on right wheel number flew off causing my to go into 5 guard rails . The whole front end was destroyed into pieces “no airbags” I’m lucky to be alive. It was inspected by police and my insurance company consider it total loss.nothing before or after the impact Look up ODI 11676071 at NHTSA ↗	00.0% No examples available for this selection.	222.2% ODI 11713127 I put up a rubber stop to test the emergency stop feature the car is equipped with. With car moving either forward in drive or backwards in reverse the car would not automatically stop before hitting this two foot high aid. A warning vibration is felt just before the car struck the device but the way I understand it in the owners manual the car should come to a complete emergency stop. This could endanger anyone or anything that the driver did not see while moving the car, i.e., a child on a tricycle for example. Look up ODI 11713127 at NHTSA ↗	240.0% ODI 11738910 While driving vehicle at approximately 50 mph in normal driving conditions, the vehicle’s automatic emergency braking/forward collision system activated an alert when a vehicle ahead of me slowed and turned out of my lane. After the lane was fully clear and there was no obstacle in front of the vehicle, the system aggressively braked and brought the car completely to a stop on the highway. During the event, the vehicle temporarily would not respond to accelerator input even while pressing the gas pedal. This created an extremely dangerous situa… Look up ODI 11738910 at NHTSA ↗
Vehicle Speed Control	25.1% ODI 11359880 · 300 mi PURCHASED MY 2020 CT5 IN APRIL 2020. SINCE THEN THE VEHICLE HAS BEEN AT THE DEALERSHIP 5 TIMES FOR THE SAME SERVICE DRIVER ASSIST AND FORWARD COLLISION SYSTEM UNAVAILABLE. GM HAS DISPATCHED A SENIOR ADVISOR TO TEST THE VEHICLE AND EVEN LEFT A CODE READER IN THE VEHICLE TO TRACK ITS PERFORMANCE. MESSAGES CAME ON AGAIN. I RECORDED IT AS INSTRUCTED AND THE DEVICE WAS SENT BACK TO THE GM ENGINEERS. IT HAS BEEN OVER A MONTH TODAY 18 SEPTEMBER AND STILL NO UPDATE AS TO WHAT'S WRONG WITH THIS CAR. THEY'VE REPLACED AND REINSTALLED CAMERAS AND DEVICES A… Look up ODI 11359880 at NHTSA ↗	00.0% No examples available for this selection.	00.0% No examples available for this selection.	00.0% No examples available for this selection.	00.0% No examples available for this selection.	111.1% ODI 11621061 This new 2025 Cadillac CT5 displays incorrect posted speed limits on Rte. 114 Flanders Rd, Gulf Rd, Bear hill Rd , .Ryan Rd, in Henniker NH. speed of 55mph which is incorrect to legal posted speed limits being much slower. This vehicle also shows roads that have no posted speed limit sign of 55 mph, which should be for safety reason(--) Can we have these roads updated to display the correct posted speed limits from the third party supplier /google. Look up ODI 11621061 at NHTSA ↗	240.0% ODI 11687842 · 1,200 mi The contact owns a 2026 Cadillac CT5. The contact stated that while driving the vehicle with the Super Cruise feature activated, the message indicated a road construction zone, and the brakes independently activated. The contact stated that there was no road construction nearby. The contact reset the super cruise control feature. The contact stated that while the super cruise control was set at 75 MPH, the vehicle unintendedly accelerated to 100 MPH within seconds. The vehicle was not diagnosed or repaired by an independent mechanic or dealer. … Look up ODI 11687842 at NHTSA ↗

Darker cells indicate a larger share of submitted complaints. Components overlap. This measures complaint composition, not failure probability.

Failure mileage by component

Median and middle 50% of usable owner-reported mileages. Ranges require at least five records.

Component failure mileage distribution
Component	Mileage range (25th–75th percentile)	Median	Usable records	Examples
Electrical System	Too few reports for a range	300 mi	3 (sparse)	ODI 11359880 · 300 mi PURCHASED MY 2020 CT5 IN APRIL 2020. SINCE THEN THE VEHICLE HAS BEEN AT THE DEALERSHIP 5 TIMES FOR THE SAME SERVICE DRIVER ASSIST AND FORWARD COLLISION SYSTEM UNAVAILABLE. GM HAS DISPATCHED A SENIOR ADVISOR TO TEST THE VEHICLE AND EVEN LEFT A CODE READER IN THE VEHICLE TO TRACK ITS PERFORMANCE. MESSAGES CAME ON AGAIN. I RECORDED IT AS INSTRUCTED AND THE DEVICE WAS SENT BACK TO THE GM ENGINEERS. IT HAS BEEN OVER A MONTH TODAY 18 SEPTEMBER AND STILL NO UPDATE AS TO WHAT'S WRONG WITH THIS CAR. THEY'VE REPLACED AND REINSTALLED CAMERAS AND DEVICES A… Look up ODI 11359880 at NHTSA ↗ ODI 11385267 · 20 mi TL* THE CONTACT OWNS A 2020 CADILLAC CT5. THE CONTACT STATED WHILE STARTING THE VEHICLE, THE SERVICE SAFETY RESTRAINT SYSTEM AND AIR BAG WARNING LIGHTS WERE ILLUMINATED. THE VEHICLE WAS TAKEN TO THE LOCAL DEALER - DUBLIN CADILLAC (4200 JOHN MONEGO CT, DUBLIN, CA 94568: [phone removed]) AND MATAGA BUICK GMC CADILLAC (3261 AUTO CENTER CIR, STOCKTON, CA 95212, [phone removed]) HOWEVER, THE MECHANICS WERE UNABLE TO DIAGNOSE THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS INFORMED OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY… Look up ODI 11385267 at NHTSA ↗ ODI 11705360 · 75,000 mi The contact owns a 2020 Cadillac CT5. The contact stated that the check engine warning light was illuminated. The contact had noticed an oil leak and that the battery charge was abnormally low. The contact received an alert from OnStar pertaining to the critically low battery. Additionally, the contact noticed that there was an abnormal squishing sound coming from the dashboard, and the contact believed that the sound was coming from an animal that had intruded into the vehicle. The local dealer was contacted, but the vehicle was not diagnose… Look up ODI 11705360 at NHTSA ↗
Power Train	12,000–65,000 mi	48,600 mi	5	ODI 11671918 · 12,000 mi The contact owns a 2020 Cadillac CT5. The contact stated that while driving at various speeds, the transmission was slipping while shifting gear. Additionally, the contact stated that there was a delay while shifting gear. The check engine warning light remained illuminated intermittently. The vehicle was taken to a local dealer where the vehicle was diagnosed, and the contact was advised that there was no failure found with the vehicle. The vehicle was not repaired. The manufacturer was notified of the failure. The approximate failure mileage … Look up ODI 11671918 at NHTSA ↗ ODI 11697874 · 65,000 mi The contact owns a 2020 Cadillac CT5. The contact stated that while driving approximately 65 MPH, the vehicle unexpectedly stopped without the brake pedal being depressed. The contact stated that the message "Reduced Power" was displayed on the instrument cluster. The contact was able to continue driving; however, the vehicle failed to accelerate above 10 MPH. The contact was able to drive the vehicle off the highway and then to the residence. The contact was able to restart the vehicle and saw several warning lights illuminated on the instrume… Look up ODI 11697874 at NHTSA ↗ ODI 11721714 · 578 mi The contact owns a 2020 Cadillac CT5. The contact stated that while driving at various speeds, the vehicle shuddered and experienced hard shifts intermittently. There was no warning light illuminated. The contact stated that the failure progressively worsened, and the vehicle made an abnormally loud sound while driving. The check engine warning light and the traction control warning light were illuminated. The contact stated that after taking the transmission apart, the contact became aware that cheaply made transmission parts had disintegrated… Look up ODI 11721714 at NHTSA ↗
Unknown Or Other	Too few reports for a range	370 mi	2 (sparse)	ODI 11355006 · 440 mi WHEN THE VEHICLE IS TRAVELING OVER 50 MPH, AND TAKES SWEEPING TURNS / GRADUAL BENDS ON THE HIGHWAY, IT BECOMES APPARENT THAT TURNING RIGHT IS MUCH HARDER THAN TURNING LEFT. THE STEERING WHEEL IS MUCH STIFFER AND FEELS HEAVIER WHEN MAKING RIGHT TURNS AT SPEED, ALMOST LIKE IT'S PERMANENTLY STUCK IN SPORT MODE WHEN THE WHEEL IS TURNED RIGHT. IT IS CONSTANTLY FIGHTING TO GET BACK TO CENTER WHEN TAKING THOSE RIGHT TURNS AT SPEED. LEFT TURNS ARE FINE. ON TWO OCCASIONS, THE WHEEL SUDDENLY AND VIOLENTLY JERKED LEFT, TRYING TO GET BACK TO CENTER AS I WA… Look up ODI 11355006 at NHTSA ↗ ODI 11359880 · 300 mi PURCHASED MY 2020 CT5 IN APRIL 2020. SINCE THEN THE VEHICLE HAS BEEN AT THE DEALERSHIP 5 TIMES FOR THE SAME SERVICE DRIVER ASSIST AND FORWARD COLLISION SYSTEM UNAVAILABLE. GM HAS DISPATCHED A SENIOR ADVISOR TO TEST THE VEHICLE AND EVEN LEFT A CODE READER IN THE VEHICLE TO TRACK ITS PERFORMANCE. MESSAGES CAME ON AGAIN. I RECORDED IT AS INSTRUCTED AND THE DEVICE WAS SENT BACK TO THE GM ENGINEERS. IT HAS BEEN OVER A MONTH TODAY 18 SEPTEMBER AND STILL NO UPDATE AS TO WHAT'S WRONG WITH THIS CAR. THEY'VE REPLACED AND REINSTALLED CAMERAS AND DEVICES A… Look up ODI 11359880 at NHTSA ↗
Engine	Too few reports for a range	39,733 mi	2 (sparse)	ODI 11697874 · 65,000 mi The contact owns a 2020 Cadillac CT5. The contact stated that while driving approximately 65 MPH, the vehicle unexpectedly stopped without the brake pedal being depressed. The contact stated that the message "Reduced Power" was displayed on the instrument cluster. The contact was able to continue driving; however, the vehicle failed to accelerate above 10 MPH. The contact was able to drive the vehicle off the highway and then to the residence. The contact was able to restart the vehicle and saw several warning lights illuminated on the instrume… Look up ODI 11697874 at NHTSA ↗ ODI 11700097 · 14,466 mi The contact’s son owns a 2020 Cadillac CT5. The contact stated that while driving at an undisclosed speed, the check engine warning light illuminated. After a visual inspection, the contact observed that the engine oil was abnormally low. The vehicle was taken to the dealer, who diagnosed a failure with the engine. The contact was informed that the engine needed to be replaced. The vehicle was repaired, but the failure reoccurred. The vehicle was not taken to the dealer or an independent mechanic. The vehicle was not repaired. The manufacturer … Look up ODI 11700097 at NHTSA ↗
Air Bags	Too few reports for a range	3,500 mi	1 (sparse)	ODI 11487338 · 3,500 mi The contact owns a 2022 Cadillac CT5. The contact stated that while driving at an undisclosed speed, the Service Restraint System message was displayed. The vehicle was taken to the dealer where it was diagnosed that the driver's side air bag sensor needed to be replaced; however, the replacement part was on backorder. The vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 3,500. Look up ODI 11487338 at NHTSA ↗
Vehicle Speed Control	Too few reports for a range	750 mi	2 (sparse)	ODI 11359880 · 300 mi PURCHASED MY 2020 CT5 IN APRIL 2020. SINCE THEN THE VEHICLE HAS BEEN AT THE DEALERSHIP 5 TIMES FOR THE SAME SERVICE DRIVER ASSIST AND FORWARD COLLISION SYSTEM UNAVAILABLE. GM HAS DISPATCHED A SENIOR ADVISOR TO TEST THE VEHICLE AND EVEN LEFT A CODE READER IN THE VEHICLE TO TRACK ITS PERFORMANCE. MESSAGES CAME ON AGAIN. I RECORDED IT AS INSTRUCTED AND THE DEVICE WAS SENT BACK TO THE GM ENGINEERS. IT HAS BEEN OVER A MONTH TODAY 18 SEPTEMBER AND STILL NO UPDATE AS TO WHAT'S WRONG WITH THIS CAR. THEY'VE REPLACED AND REINSTALLED CAMERAS AND DEVICES A… Look up ODI 11359880 at NHTSA ↗ ODI 11687842 · 1,200 mi The contact owns a 2026 Cadillac CT5. The contact stated that while driving the vehicle with the Super Cruise feature activated, the message indicated a road construction zone, and the brakes independently activated. The contact stated that there was no road construction nearby. The contact reset the super cruise control feature. The contact stated that while the super cruise control was set at 75 MPH, the vehicle unintendedly accelerated to 100 MPH within seconds. The vehicle was not diagnosed or repaired by an independent mechanic or dealer. … Look up ODI 11687842 at NHTSA ↗

Complaint and recall timeline

Explore monthly filing activity alongside recall announcements. Up to ten years of monthly history is available.

ComponentPeriod

Solid line: filed complaints. Dashed amber lines: recall announcement dates for this vehicle selection; markers include all recall components. The latest month is partial. Temporal proximity does not establish causation.

Monthly counts, recall campaigns and complaint examples

Monthly complaint and recall timeline
Month	Complaints	Campaigns announced	Examples
2024-11	0	None	No examples available for this selection.
2024-12	1	None	ODI 11632837 Driver Side door handle stops working. Because the door handle operates with a sensor and not a standard pull door handle something is being affected and it will not open door. Causing safety issue and not being able to enter car normally. Look up ODI 11632837 at NHTSA ↗
2025-01	1	None	ODI 11636164 Service transmission message showed up on dash. Dealer stated after performance test found P17A5 code for shift control. The dealer stated that the gear shift assembly needed to be replaced and if not, that the car could get stuck in gear which I feel is a safety risk. My vehicle only has 37,111 miles on it and I am pretty much the only driver. Look up ODI 11636164 at NHTSA ↗
2025-02	4	None	ODI 11644689 Outer door handle/opening electronic mechanism on multiple doors Defect will inhibit persons from providing emergency service in case of accident Drivers door handle assy. was replaced under warranty, rear passenger door now has same problem No warnings are displayed Look up ODI 11644689 at NHTSA ↗ ODI 11641989 Currently my passenger door and my rear driver side door do not open from the outside. I already had to have my driver side door handle replaced for the same issue, now three out of four of my handles have failed. If an accident were to occur no one would be able to access the passenger or the rear driver passenger from the outside because the doors do not open. Since I can not open the door from the outside I had to remove the child lock from the rear door so my child can exit the vehicle. Look up ODI 11641989 at NHTSA ↗ ODI 11640854 · 19,480 mi The contact owned a 2023 Cadillac CT5. The contact stated that while exiting the highway on the far right lane on a 2-lane exit at 45 MPH, a message appeared on the instrument panel that read "Steering assistance reduced, drive with care" and "Service Power Steering". The contact stated that he was driving the vehicle while his son was seated in the passenger seat when the crash occurred. The contact attempted to veer into the left lane when the steering wheel seized causing the contact to crash into the rear bumper of the vehicle in front. The… Look up ODI 11640854 at NHTSA ↗
2025-03	1	25V148000	ODI 11648919 The front wheels are locking up sometimes when either hitting a bump in the road or just out of the blue while driving. The auto braking will engage quickly and then shut off. Look up ODI 11648919 at NHTSA ↗
2025-04	4	None	ODI 11654080 Safety Concerns and Defects: I am reporting several safety-related defects in my 2020 Cadillac CT5, which have posed serious risks to me and my family: ⸻ 1. Transmission Pump Failure: •The transmission pump failed, causing loss of power and jerking while driving at highway speeds. This occurred on[XXX] in Georgia with my two small children in the car, putting us at high risk of a crash. •No warning lights appeared, and the failure was diagnosed by the dealer (Hennessey Cadillac). 2. EVAP System Failure (P0451): •A fuel tank pressure sensor … Look up ODI 11654080 at NHTSA ↗ ODI 11657343 I am receiving notice on the speed screen telling me the door lock need service. I never had a cadillac to tell me something about door lock need service.I have had others 2000 Deville,2017 Cts and now this 2020 Ct5 which i have had so many problem with.But now i am concern about this door problem that is causing alarm system to go off. Look up ODI 11657343 at NHTSA ↗ ODI 11652706 We just purchased this 2023 Cadillac CT5 from Cadillac of South Charlotte and took delivery by long haul truck at our home in Seymour, TN on [XXX]. It had 40,744 miles on the odometer. We drove the car approximately 12 miles when suddenly the car went into reduced power mode where it would not shift past 4th or 5th gear limiting our speed to approximately 45 miles per hour. We drove slowly to the closest GM Service location that was just a few miles away and during that time the message started alternating to another message that said the trans… Look up ODI 11652706 at NHTSA ↗
2025-05	1	None	ODI 11661103 At 22,000 miles, driving along at approximately 40mph, vehicle felt like it surged - check engine light went on and message of "limited acceleration - drive with care" appeared. Key cycled the car, CEL and message remained. Car would then not drive higher than 3rd or 4th gear and at limited speed as I tried to get it home. Once I pulled into my driveway message appeared "Service Transmission Now - Unable to Shift Soon." Car would then not move when shifted into any gear, including reverse. Had vehicle towed to dealer where they found t… Look up ODI 11661103 at NHTSA ↗
2025-06	2	None	ODI 11664417 The contact's sister owns a 2020 Cadillac CT5. The contact stated that while his sister was driving at an undisclosed speed, the rear wheels locked up. The driver was able to pull over to the side of the road. The vehicle was towed to the dealer, where it was diagnosed and determined that the rear wheels had locked up, causing damages to the transmission. The dealer determined that the transmission needed to be replaced but at the vehicle owner's expense. The vehicle was not repaired. The contact became aware that the VIN was included in NHTSA … Look up ODI 11664417 at NHTSA ↗ ODI 11665068 Regarding NHTSA Campaign ID 25V148, GM recall N242480630. The recall was for a potential transmission control valve issue where some vehicles may be susceptible to excess wear over time, resulting in gradual loss of pressure within the valve that can cause harsh shifting. With the recall we finally knew what was wrong with the vehicle. We have a defective transmission control valve. The transmission was replaced in 2022 and now needs to be replaced again. At the appointment for the recall we expressed that the transmission control valve has alr… Look up ODI 11665068 at NHTSA ↗
2025-07	5	None	ODI 11671918 · 12,000 mi The contact owns a 2020 Cadillac CT5. The contact stated that while driving at various speeds, the transmission was slipping while shifting gear. Additionally, the contact stated that there was a delay while shifting gear. The check engine warning light remained illuminated intermittently. The vehicle was taken to a local dealer where the vehicle was diagnosed, and the contact was advised that there was no failure found with the vehicle. The vehicle was not repaired. The manufacturer was notified of the failure. The approximate failure mileage … Look up ODI 11671918 at NHTSA ↗ ODI 11676351 I've owned 2 ct5 each one had their turbos go out at 55k miles each and valves bodies that need replacing around 70k for each vehicle Look up ODI 11676351 at NHTSA ↗ ODI 11671823 aste): The vehicle has a serious pulling issue while driving, which was not corrected with alignment and poses a safety risk. Additionally, the windshield was scratched by faulty wiper blades that impaired visibility , the dealer later reimbursed me. Lastly, the driver-side running light was not functioning, which creates a hazard and may violate federal lighting safety standards. Look up ODI 11671823 at NHTSA ↗
2025-08	8	None	ODI 11681128 Major safety Concern Faulty valve body and transmission dealership failed to disclose. Service manager drove vehicle with bent wheels. That is how the bent wheels were discovered. Not from inspection. Wheels evidently bent under dealership possession. 2020 Cadillac CT5 Vehicle financed at 12K Miles with certified pre owned, bumper to bumper, and powertrain warranties in February 2024 showed poor driving, shifting, acceleration and abnormal behaviors such as slow and delayed shifting/acceleration, loud shifting, jerking, and strange noises from … Look up ODI 11681128 at NHTSA ↗ ODI 11681133 Two separate issues: One is being sold a vehicle with a Certified vehicle at 12K miles with a defective, faulty transmission which is a manufacturer defect from General Motors. 10-speed automatic transmission 10L90 model. Misrepresentation of a product. False advertisement of a product. Failure to disclose. Gross negligence. Unethical & Illegal business practices. Dealer & manufacturer fraud. Second issue: When Valve body was replaced on the vehicle, the service manager of the dealership test drove the vehicle with me in the passenger seat on … Look up ODI 11681133 at NHTSA ↗ ODI 11683415 CT5 2020 Doors will not unlock. Look up ODI 11683415 at NHTSA ↗
2025-09	3	None	ODI 11684787 The valve body in the ten speed transmission failed while driving. The transmission did a rough shift and a message popped up on the display saying that power has been reduced along with the check engine light illuminating. The transmission reduced usable gears to prevent damage. I was a hazard on the road way due to not being able to get up to the posted speed limit. The car is at Harvey Cadillac (the dealership I purchased the car from) and I have been told GM is going to replace the transmission under warranty. Look up ODI 11684787 at NHTSA ↗ ODI 11690654 I went to test drive this car on Saturday 9/27, and noticed that the rear view mirror--the actual mirror, not the video screen inside it--was vibrating/shaking immensely as I drove it. I told them I'd buy the car, but they have to fix the mirror. Tuesday 9/30 I bought the car, with the assurance that the mirror had been fixed. Apparently there's a screw that was loose. Upon leaving the dealership, I discovered that the shaking/vibrating hadn't gone away--it was merely diminished. I took the car back. We discovered another identical model … Look up ODI 11690654 at NHTSA ↗ ODI 11687842 · 1,200 mi The contact owns a 2026 Cadillac CT5. The contact stated that while driving the vehicle with the Super Cruise feature activated, the message indicated a road construction zone, and the brakes independently activated. The contact stated that there was no road construction nearby. The contact reset the super cruise control feature. The contact stated that while the super cruise control was set at 75 MPH, the vehicle unintendedly accelerated to 100 MPH within seconds. The vehicle was not diagnosed or repaired by an independent mechanic or dealer. … Look up ODI 11687842 at NHTSA ↗
2025-10	1	None	ODI 11694212 For no apparent reason my vehicle is shifting itself into Neutral while driving. The car will suddenly completely slow down to a stop and in order to restart the car, I have to put it in park. It doesn't matter what speed or the road condition, it simply comes to a slow stop because it is no longer in driving mode, it has shifted itself into Neutral. The recall has been serviced and after more than 10 days of being in 2 different Cadillac service centers, I am advised they are unable to simulate the issue, thus the issue is not resolved. It is … Look up ODI 11694212 at NHTSA ↗
2025-11	5	None	ODI 11697874 · 65,000 mi The contact owns a 2020 Cadillac CT5. The contact stated that while driving approximately 65 MPH, the vehicle unexpectedly stopped without the brake pedal being depressed. The contact stated that the message "Reduced Power" was displayed on the instrument cluster. The contact was able to continue driving; however, the vehicle failed to accelerate above 10 MPH. The contact was able to drive the vehicle off the highway and then to the residence. The contact was able to restart the vehicle and saw several warning lights illuminated on the instrume… Look up ODI 11697874 at NHTSA ↗ ODI 11700097 · 14,466 mi The contact’s son owns a 2020 Cadillac CT5. The contact stated that while driving at an undisclosed speed, the check engine warning light illuminated. After a visual inspection, the contact observed that the engine oil was abnormally low. The vehicle was taken to the dealer, who diagnosed a failure with the engine. The contact was informed that the engine needed to be replaced. The vehicle was repaired, but the failure reoccurred. The vehicle was not taken to the dealer or an independent mechanic. The vehicle was not repaired. The manufacturer … Look up ODI 11700097 at NHTSA ↗ ODI 11701649 Door handle opening mechanism has not been working correctly for over a year. Multiple attempts to open the door will finally work and the door will open. This is a life safety issue that I have taken up with GM multiple times now and they refused to cover the vehicle. When looking online, dozens of other individuals have also complained about this exact issue. Look up ODI 11701649 at NHTSA ↗
2025-12	1	None	ODI 11705360 · 75,000 mi The contact owns a 2020 Cadillac CT5. The contact stated that the check engine warning light was illuminated. The contact had noticed an oil leak and that the battery charge was abnormally low. The contact received an alert from OnStar pertaining to the critically low battery. Additionally, the contact noticed that there was an abnormal squishing sound coming from the dashboard, and the contact believed that the sound was coming from an animal that had intruded into the vehicle. The local dealer was contacted, but the vehicle was not diagnose… Look up ODI 11705360 at NHTSA ↗
2026-01	7	None	ODI 11708590 While key FOB is operational, next to car door and under moderate temperature conditions, the exterior door handle(s) wont open the car door. The doors freeze, remain latched in place from the outside. The interior door handle on the same door remains operational. This makes it difficult to get into the vehicle to remove people from inside the car should dangerous conditions be present while they are unable to operate the interior handle themselves and/or its difficult to enter the vehicle for safety should dangerous conditions be present out… Look up ODI 11708590 at NHTSA ↗ ODI 11710542 While slowing down vehicle felt as if it was put into park momentarily, which cause car to slide on ice. After reading the recall, I am certain that the transmission failed. Car was towed to Ray Skillman cheverolet on south post road in Indianapolis, to which they already ran the vin and agreed to perform the recall. After they realized it was a more serious problem than software, they refused to work on the vehicle. So they worked on it long enough to find out they would have to cover it, then denied that they would do any work. They stated th… Look up ODI 11710542 at NHTSA ↗ ODI 11712001 The electronic exterior door handle on my CT5 has failed and raises a concern of what if there was an accident and nobody was able to open the door if I was unconscious. I believe that having a key access is not enough and there should be a mechanical exterior door handle instead of an electronic handle that fails and is costly to repair. Look up ODI 11712001 at NHTSA ↗
2026-02	4	26V114000	ODI 11715761 Exterior driver side door handle will not open the door causing issues with ingress into vehicle. Look up ODI 11715761 at NHTSA ↗ ODI 11717706 While driving on a very busy highway going downhill when suddenly the vehicle started feeling abnormal like it was going to turn off automatically, heard an abnormal grinding noise coming from the engine the vehicle dropped speed drastically and the check engine light turned on , luckily we were on a part of the road where I merged quickly to the side of the road followed by a sudden engine shut down, the safety of myself and 3 other passengers was very compromised due to nearly being hit by other vehicles coming at a high speed on a main high… Look up ODI 11717706 at NHTSA ↗ ODI 11720298 I've had my driver side door handle switch replaced beacuse it was faulty and I could not get into my car through the driver side. Now I am having the same issue with the passanger side. In a case of an emergeny if I can not get into my car I fear for my or my passanger's safety. I fear the quality of the parts are not ment to last. I replaced the driver side handle right before the manufactur warreny ran out then the passanger door stopped working when the warrenty ran out. Look up ODI 11720298 at NHTSA ↗
2026-03	2	None	ODI 11721714 · 578 mi The contact owns a 2020 Cadillac CT5. The contact stated that while driving at various speeds, the vehicle shuddered and experienced hard shifts intermittently. There was no warning light illuminated. The contact stated that the failure progressively worsened, and the vehicle made an abnormally loud sound while driving. The check engine warning light and the traction control warning light were illuminated. The contact stated that after taking the transmission apart, the contact became aware that cheaply made transmission parts had disintegrated… Look up ODI 11721714 at NHTSA ↗ ODI 11722816 My front door latch doesn't work often leaving me locked out of the car. If the car is off I can use the auto roll down feature, but if the car is on i can't. This is a safety issue if I am in danger or my child is in the car. Look up ODI 11722816 at NHTSA ↗
2026-04	3	None	ODI 11732916 · 70,000 mi The contact owns a 2020 Cadillac CT5. The contact stated that while the vehicle was parked, the front passenger's side and the front driver's side door latches failed to unlock from the outside. In addition, the front passenger's side door latch failed to unlatch from the inside. The vehicle was taken to the dealer where it was diagnosed with a failed front driver's side door handle, a failed passenger's side door handle, and the front passenger's side door latch. The contact was informed that the front driver's side door handle, the passenger'… Look up ODI 11732916 at NHTSA ↗ ODI 11728484 The door(s) would not open from the outside. I had the driver side door handle replaced first - took weeks for the part to come in - this was a safety issue because I had to climb through the passenger side to open the driver side door. (the key entry would not work either) After weeks, and me paying for it, the same thing happened to the rear driver side door. I went to open it to get my grandchild out and couldn't. Again this is a safety issue. What if I needed him out in an emergency and I couldn't. I had to walk around and get him out… Look up ODI 11728484 at NHTSA ↗ ODI 11731179 Incident Overview: A Continental Control Contact Sport SRS+ tire (DOT 5323) experienced a catastrophic internal structural failure during normal driving on a wet roadway. The tire had approximately 50% tread remaining and was 1–1.5 years old. Failure Description: Inspection indicates internal belt/carcass separation originating within the tire structure, leading to rapid pressure loss and rupture. No road hazard or external impact was present. Crash Sequence: The failure caused immediate loss of control, vehicle yaw, roadway departure, and mul… Look up ODI 11731179 at NHTSA ↗
2026-05	5	None	ODI 11737209 The rear passenger driver side outside door handle stopped working about 3 days ago. I have three small grandchildren and if there is an accident or any other emergency I cannot open the back door to get them or anyone out of the vehicle to safety, which can lead to bodily harm or worse. I have already had the driver outside door handle replaced on March 18 2025 for the same problem. There should be a recall on the door handles to prevent the chance of bodily harm upon anyone. Also, to prevent this from happening again, the door handles could p… Look up ODI 11737209 at NHTSA ↗ ODI 11740017 While driving my 2020 Cadillac CT5 at highway speeds, the vehicle suffered a sudden and dangerous total loss of motive power. The transmission completely failed without warning, creating an immediate, severe safety hazard as I was forced to navigate across multiple active lanes of high-speed highway traffic without acceleration.The vehicle was towed to an authorized Cadillac dealership. The technician's diagnostic inspection confirmed that the internal transmission pump drive gear completely shattered, sending catastrophic metal debris througho… Look up ODI 11740017 at NHTSA ↗ ODI 11738510 We own a 2021 Cadillac CT5 that we bought used in 2024 from Sewell Cadillac in Houston, Texas. During our first year of ownership, and while still under warranty, we started having intermittent issues with the rear doors. At times, one or the other rear doors would only open from the inside of the vehicle. My wife mentioned it to the dealer when the car was in for other issues, but because we couldn’t reproduce it at the dealership, nothing came of it. Then in March of this year, both rear doors completely failed. Neither rear door will open fr… Look up ODI 11738510 at NHTSA ↗
2026-06	0	None	No examples available for this selection.
2026-07	8	None	ODI 11750891 The left passenger door will not open manually nor with key fob. It has caused me to not allow back seat passengers including grand children for fear if necessary to get out in an emergency and I am left to wonder if the driver door will go into lock position during a collision and that would be life threatening. I tried holding the lock and unlock at the same time for 3sec and that didn’t work. The dealership said it would cost around $800 or more to take the door off and try to find the problem and I would probably have to get a new door and … Look up ODI 11750891 at NHTSA ↗ ODI 11750953 Lockhart Cadillac Service Department committed warranty fraud by charging me on multiple occasions for repairs that should have been covered under GM/Cadillac 2025 Transmission Recall & Special Extended Warranties. The transmission has continued to deteriorate. I took the vehicle in on July 1, 2026 for recall service and was told it needed a valve body replacement. However, they are demanding again that I pay for it and refusing to submit it as a recall repair. They have had my vehicle 15 days and refuse to provide written documentation of actu… Look up ODI 11750953 at NHTSA ↗ ODI 11750954 There is some type of mechanical or electrical malfunction with the door locking system. I can not unlock or enter the car using the fan or by any mechanism from outside the car. This has left my fiance & infant trapped in the car. My fiance has to reach over and manually open the driver side door from inside the vehicle. However, I can no longer drive with only my infant in the car for fear she will be trapped inside. Look up ODI 11750954 at NHTSA ↗
2026-08	5	None	ODI 11754827 · 46,000 mi The contact owns a 2020 Cadillac CT5. The contact stated that while the vehicle was parked and using the key fob to open the door, the door on the driver’s side failed to open. The failure was a recurring failure. The dealer was contacted and diagnosed the vehicle with an exterior door handle failure on the driver’s side. The manufacturer was not made aware of the failure. The failure mileage was approximately 46,000. Look up ODI 11754827 at NHTSA ↗ ODI 11755622 The door opening mechanism has failed on the drivers outside door handle. It locks and unlocks fine but it will not open. I can use an alternative by the getting the emergency access key out of the fob and popping off the handle and open with that key. Or I can go in thru another door and open it from inside or somehow open all the windows using the fob with some kind of press this and that at the same time, and access inside handle thru the window. This becomes a safety concern because I'm usually alone, and this makes me vulnerable when I hav… Look up ODI 11755622 at NHTSA ↗ ODI 11760237 The pump gear on the transmission went out during normal driving with only having 30,000 miles on it. I am told my numerous people that the Gm 10 speeds always have issues with them. Look up ODI 11760237 at NHTSA ↗
2026-09	11	None	ODI 11765794 I am filing an urgent consumer safety complaint against Bert Ogden Cadillac in [XXX] for a severe federal safety recall violation. My 2020 Cadillac CT5 is experiencing catastrophic transmission failure, including severe slipping and violent pulling during acceleration. This creates an immediate risk of sudden highway drive-wheel lock-up as warned under active GM Recall N242480630.On XXX, I brought the vehicle to Bert Ogden Cadillac and explicitly raised the transmission recall. The service agent, Patty, dismissed the recall, illegally charged m… Look up ODI 11765794 at NHTSA ↗ ODI 11764894 Both front doors will no longer open from the outside. The button on the inside of the door handle doesn't respond when pushed and that is the only way to get in the car without rolling the windows down or using the emergency key. I've seen many other forum posts about this so it seems to be a pretty widespread issue across other models with the same electric door opener mechanism. Look up ODI 11764894 at NHTSA ↗ ODI 11765139 Doors have routinely stopped opening using the electronic handles to pop open doors. Have taken to dealership to repair, but keep on not working on other doors. All 4 door handles have been replaced and now they're starting to not work again. Look up ODI 11765139 at NHTSA ↗
2026-10 (partial)	0	None	No examples available for this selection.

Emerging complaint spikes

Complete months in the latest six months with at least 10 complaints, at least twice the preceding 12-month average, and at least three square-root deviations above that average.

This is a descriptive screening rule, not a statistical defect finding. Publicity and reporting changes can increase submissions.

Recent filing spikes
Month	Reports	Previous monthly average	Leading component	Examples
2026-09	11	3.7	Electrical System	ODI 11765794 I am filing an urgent consumer safety complaint against Bert Ogden Cadillac in [XXX] for a severe federal safety recall violation. My 2020 Cadillac CT5 is experiencing catastrophic transmission failure, including severe slipping and violent pulling during acceleration. This creates an immediate risk of sudden highway drive-wheel lock-up as warned under active GM Recall N242480630.On XXX, I brought the vehicle to Bert Ogden Cadillac and explicitly raised the transmission recall. The service agent, Patty, dismissed the recall, illegally charged m… Look up ODI 11765794 at NHTSA ↗ ODI 11764894 Both front doors will no longer open from the outside. The button on the inside of the door handle doesn't respond when pushed and that is the only way to get in the car without rolling the windows down or using the emergency key. I've seen many other forum posts about this so it seems to be a pretty widespread issue across other models with the same electric door opener mechanism. Look up ODI 11764894 at NHTSA ↗ ODI 11765139 Doors have routinely stopped opening using the electronic handles to pop open doors. Have taken to dealership to repair, but keep on not working on other doors. All 4 door handles have been replaced and now they're starting to not work again. Look up ODI 11765139 at NHTSA ↗

Equal-age model-year comparison

Model-wide cumulative reports during the first three or five calendar years, starting with the model year (age 0). Only fully elapsed windows are compared.

Observation windowFirst model yearSecond model year

2022: 6 complaints · 2023: 10 complaints

Equal observation windows
Model year	Through age 0	Through age 1	Through age 2
2022	3	4	6
2023	1	3	10

Date coverage across each selected cohort

Date basis for all complaints in selected model years
Year	Incident dates used	Filing date fallbacks	Excluded dates
2022	11	0	0
2023	11	0	1

Incident date is preferred when valid and no later than filing; otherwise filing date is used. Model year approximates age. Equal observation time does not adjust for sales, distance driven or reporting delays. One complaint linked to multiple model years can appear in each cohort.

Components reported together

Each cell counts unique complaints naming both components. Open a nonzero cell for examples.

Component co-occurrence matrix
Component	Electrical System	Power Train	Unknown Or Other	Structure:Body	Engine	Air Bags	Forward Collision Avoidance: Automatic Emergency Braking	Vehicle Speed Control
Electrical System	—	0	3 ODI 11359880 · 300 mi PURCHASED MY 2020 CT5 IN APRIL 2020. SINCE THEN THE VEHICLE HAS BEEN AT THE DEALERSHIP 5 TIMES FOR THE SAME SERVICE DRIVER ASSIST AND FORWARD COLLISION SYSTEM UNAVAILABLE. GM HAS DISPATCHED A SENIOR ADVISOR TO TEST THE VEHICLE AND EVEN LEFT A CODE READER IN THE VEHICLE TO TRACK ITS PERFORMANCE. MESSAGES CAME ON AGAIN. I RECORDED IT AS INSTRUCTED AND THE DEVICE WAS SENT BACK TO THE GM ENGINEERS. IT HAS BEEN OVER A MONTH TODAY 18 SEPTEMBER AND STILL NO UPDATE AS TO WHAT'S WRONG WITH THIS CAR. THEY'VE REPLACED AND REINSTALLED CAMERAS AND DEVICES A… Look up ODI 11359880 at NHTSA ↗ ODI 11632837 Driver Side door handle stops working. Because the door handle operates with a sensor and not a standard pull door handle something is being affected and it will not open door. Causing safety issue and not being able to enter car normally. Look up ODI 11632837 at NHTSA ↗ ODI 11765920 I have experienced a serious and recurring safety issue with the door handles on my Cadillac CT5 vehicles. The exterior door handles have stopped working, preventing the doors from being opened normally. On one occasion, I was trying to get my child out of the back seat when the rear door handle failed and would not open. Because the child safety lock was engaged, my child was also unable to open the door from the inside. I had to climb through the vehicle and use another door to get my child out. This situation is especially concerning becaus… Look up ODI 11765920 at NHTSA ↗	2 ODI 11761126 All four exterior door handles on my 2021 Cadillac CT5 have experienced the same intermittent failure. The handles initially work intermittently and then become unable to release the door. This has occurred on all four doors. This creates a serious safety concern because occupants may be unable to enter or exit the vehicle normally, and emergency responders may be unable to access occupants through the affected doors. This appears to be a systemic defect affecting multiple CT5 vehicles, rather than an isolated component failure. Look up ODI 11761126 at NHTSA ↗ ODI 11752089 Outside door handle/pads stopped working. Car has 30K miles and 2 door handles stopped working and others are starting to be intermittent. Understanding is the pad and electronic switch gets gunked out and wouldn’t make connection. Only way you can open the door is via inside door latch. Seems like a really bad situation if you get into an accident and can’t open thru door from the outside due to a faulty door handle. Look up ODI 11752089 at NHTSA ↗	0	1 ODI 11439475 I have had many issues with Onstar failing. I bought the 2020 Cadillac CT5 AWD 10/2020. It took Onstar over a month to connect to my car to provide AT&T internet plan (via Onstar). On 4/22/21 I was hit in my driver front & wheel, Onstar failed- never contacted us & the airbags did not deploy. I noticed my Onstar light was red. Onstar was repaired during the body shop repair. Soon after I picked up the car (approximately 1 month) the SRS light came on & Onstar turned red again on 7/31/21. Dropped off the car to be repaired 8/13/21. After repair,… Look up ODI 11439475 at NHTSA ↗	1 ODI 11605992 When approaching a stopping vehicle the brake pedal became extremely hard to press and I could not brake enough to stop and had a collision. Come to find out that the ABS computer and the main ECU weren't communicating correctly which turned off the assisted braking, assisted steering and the AWD. Look up ODI 11605992 at NHTSA ↗	2 ODI 11359880 · 300 mi PURCHASED MY 2020 CT5 IN APRIL 2020. SINCE THEN THE VEHICLE HAS BEEN AT THE DEALERSHIP 5 TIMES FOR THE SAME SERVICE DRIVER ASSIST AND FORWARD COLLISION SYSTEM UNAVAILABLE. GM HAS DISPATCHED A SENIOR ADVISOR TO TEST THE VEHICLE AND EVEN LEFT A CODE READER IN THE VEHICLE TO TRACK ITS PERFORMANCE. MESSAGES CAME ON AGAIN. I RECORDED IT AS INSTRUCTED AND THE DEVICE WAS SENT BACK TO THE GM ENGINEERS. IT HAS BEEN OVER A MONTH TODAY 18 SEPTEMBER AND STILL NO UPDATE AS TO WHAT'S WRONG WITH THIS CAR. THEY'VE REPLACED AND REINSTALLED CAMERAS AND DEVICES A… Look up ODI 11359880 at NHTSA ↗ ODI 11621061 This new 2025 Cadillac CT5 displays incorrect posted speed limits on Rte. 114 Flanders Rd, Gulf Rd, Bear hill Rd , .Ryan Rd, in Henniker NH. speed of 55mph which is incorrect to legal posted speed limits being much slower. This vehicle also shows roads that have no posted speed limit sign of 55 mph, which should be for safety reason(--) Can we have these roads updated to display the correct posted speed limits from the third party supplier /google. Look up ODI 11621061 at NHTSA ↗
Power Train	0	—	1 ODI 11694212 For no apparent reason my vehicle is shifting itself into Neutral while driving. The car will suddenly completely slow down to a stop and in order to restart the car, I have to put it in park. It doesn't matter what speed or the road condition, it simply comes to a slow stop because it is no longer in driving mode, it has shifted itself into Neutral. The recall has been serviced and after more than 10 days of being in 2 different Cadillac service centers, I am advised they are unable to simulate the issue, thus the issue is not resolved. It is … Look up ODI 11694212 at NHTSA ↗	0	7 ODI 11560832 this vehicle has had multiple check engine failures it has been in for service six times in a matter of months. In September I had Service Traction control/StabiliTrack lights come on and the car losses of engine power. I had it serviced again in October for the same issue it was at the dealership for 20 days all they did was clear the code and drove it 38 miles, including the technician driving it home to see if the issue could be duplicated. After the 20th day they advised me to pick up my vehicle and return it when the light were actively on… Look up ODI 11560832 at NHTSA ↗ ODI 11654080 Safety Concerns and Defects: I am reporting several safety-related defects in my 2020 Cadillac CT5, which have posed serious risks to me and my family: ⸻ 1. Transmission Pump Failure: •The transmission pump failed, causing loss of power and jerking while driving at highway speeds. This occurred on[XXX] in Georgia with my two small children in the car, putting us at high risk of a crash. •No warning lights appeared, and the failure was diagnosed by the dealer (Hennessey Cadillac). 2. EVAP System Failure (P0451): •A fuel tank pressure sensor … Look up ODI 11654080 at NHTSA ↗ ODI 11676351 I've owned 2 ct5 each one had their turbos go out at 55k miles each and valves bodies that need replacing around 70k for each vehicle Look up ODI 11676351 at NHTSA ↗	0	0	2 ODI 11560832 this vehicle has had multiple check engine failures it has been in for service six times in a matter of months. In September I had Service Traction control/StabiliTrack lights come on and the car losses of engine power. I had it serviced again in October for the same issue it was at the dealership for 20 days all they did was clear the code and drove it 38 miles, including the technician driving it home to see if the issue could be duplicated. After the 20th day they advised me to pick up my vehicle and return it when the light were actively on… Look up ODI 11560832 at NHTSA ↗ ODI 11718643 Catastrophic engine failure within 700 miles Requires full engine replacement Problems began around 150 miles on odometer Message: Reduced accelerated speed Check engine light Service transmission system Service variable valve timing system Look up ODI 11718643 at NHTSA ↗
Unknown Or Other	3 ODI 11359880 · 300 mi PURCHASED MY 2020 CT5 IN APRIL 2020. SINCE THEN THE VEHICLE HAS BEEN AT THE DEALERSHIP 5 TIMES FOR THE SAME SERVICE DRIVER ASSIST AND FORWARD COLLISION SYSTEM UNAVAILABLE. GM HAS DISPATCHED A SENIOR ADVISOR TO TEST THE VEHICLE AND EVEN LEFT A CODE READER IN THE VEHICLE TO TRACK ITS PERFORMANCE. MESSAGES CAME ON AGAIN. I RECORDED IT AS INSTRUCTED AND THE DEVICE WAS SENT BACK TO THE GM ENGINEERS. IT HAS BEEN OVER A MONTH TODAY 18 SEPTEMBER AND STILL NO UPDATE AS TO WHAT'S WRONG WITH THIS CAR. THEY'VE REPLACED AND REINSTALLED CAMERAS AND DEVICES A… Look up ODI 11359880 at NHTSA ↗ ODI 11632837 Driver Side door handle stops working. Because the door handle operates with a sensor and not a standard pull door handle something is being affected and it will not open door. Causing safety issue and not being able to enter car normally. Look up ODI 11632837 at NHTSA ↗ ODI 11765920 I have experienced a serious and recurring safety issue with the door handles on my Cadillac CT5 vehicles. The exterior door handles have stopped working, preventing the doors from being opened normally. On one occasion, I was trying to get my child out of the back seat when the rear door handle failed and would not open. Because the child safety lock was engaged, my child was also unable to open the door from the inside. I had to climb through the vehicle and use another door to get my child out. This situation is especially concerning becaus… Look up ODI 11765920 at NHTSA ↗	1 ODI 11694212 For no apparent reason my vehicle is shifting itself into Neutral while driving. The car will suddenly completely slow down to a stop and in order to restart the car, I have to put it in park. It doesn't matter what speed or the road condition, it simply comes to a slow stop because it is no longer in driving mode, it has shifted itself into Neutral. The recall has been serviced and after more than 10 days of being in 2 different Cadillac service centers, I am advised they are unable to simulate the issue, thus the issue is not resolved. It is … Look up ODI 11694212 at NHTSA ↗	—	1 ODI 11657343 I am receiving notice on the speed screen telling me the door lock need service. I never had a cadillac to tell me something about door lock need service.I have had others 2000 Deville,2017 Cts and now this 2020 Ct5 which i have had so many problem with.But now i am concern about this door problem that is causing alarm system to go off. Look up ODI 11657343 at NHTSA ↗	1 ODI 11717706 While driving on a very busy highway going downhill when suddenly the vehicle started feeling abnormal like it was going to turn off automatically, heard an abnormal grinding noise coming from the engine the vehicle dropped speed drastically and the check engine light turned on , luckily we were on a part of the road where I merged quickly to the side of the road followed by a sudden engine shut down, the safety of myself and 3 other passengers was very compromised due to nearly being hit by other vehicles coming at a high speed on a main high… Look up ODI 11717706 at NHTSA ↗	0	1 ODI 11738910 While driving vehicle at approximately 50 mph in normal driving conditions, the vehicle’s automatic emergency braking/forward collision system activated an alert when a vehicle ahead of me slowed and turned out of my lane. After the lane was fully clear and there was no obstacle in front of the vehicle, the system aggressively braked and brought the car completely to a stop on the highway. During the event, the vehicle temporarily would not respond to accelerator input even while pressing the gas pedal. This created an extremely dangerous situa… Look up ODI 11738910 at NHTSA ↗	1 ODI 11359880 · 300 mi PURCHASED MY 2020 CT5 IN APRIL 2020. SINCE THEN THE VEHICLE HAS BEEN AT THE DEALERSHIP 5 TIMES FOR THE SAME SERVICE DRIVER ASSIST AND FORWARD COLLISION SYSTEM UNAVAILABLE. GM HAS DISPATCHED A SENIOR ADVISOR TO TEST THE VEHICLE AND EVEN LEFT A CODE READER IN THE VEHICLE TO TRACK ITS PERFORMANCE. MESSAGES CAME ON AGAIN. I RECORDED IT AS INSTRUCTED AND THE DEVICE WAS SENT BACK TO THE GM ENGINEERS. IT HAS BEEN OVER A MONTH TODAY 18 SEPTEMBER AND STILL NO UPDATE AS TO WHAT'S WRONG WITH THIS CAR. THEY'VE REPLACED AND REINSTALLED CAMERAS AND DEVICES A… Look up ODI 11359880 at NHTSA ↗
Structure:Body	2 ODI 11761126 All four exterior door handles on my 2021 Cadillac CT5 have experienced the same intermittent failure. The handles initially work intermittently and then become unable to release the door. This has occurred on all four doors. This creates a serious safety concern because occupants may be unable to enter or exit the vehicle normally, and emergency responders may be unable to access occupants through the affected doors. This appears to be a systemic defect affecting multiple CT5 vehicles, rather than an isolated component failure. Look up ODI 11761126 at NHTSA ↗ ODI 11752089 Outside door handle/pads stopped working. Car has 30K miles and 2 door handles stopped working and others are starting to be intermittent. Understanding is the pad and electronic switch gets gunked out and wouldn’t make connection. Only way you can open the door is via inside door latch. Seems like a really bad situation if you get into an accident and can’t open thru door from the outside due to a faulty door handle. Look up ODI 11752089 at NHTSA ↗	0	1 ODI 11657343 I am receiving notice on the speed screen telling me the door lock need service. I never had a cadillac to tell me something about door lock need service.I have had others 2000 Deville,2017 Cts and now this 2020 Ct5 which i have had so many problem with.But now i am concern about this door problem that is causing alarm system to go off. Look up ODI 11657343 at NHTSA ↗	—	0	0	0	0
Engine	0	7 ODI 11560832 this vehicle has had multiple check engine failures it has been in for service six times in a matter of months. In September I had Service Traction control/StabiliTrack lights come on and the car losses of engine power. I had it serviced again in October for the same issue it was at the dealership for 20 days all they did was clear the code and drove it 38 miles, including the technician driving it home to see if the issue could be duplicated. After the 20th day they advised me to pick up my vehicle and return it when the light were actively on… Look up ODI 11560832 at NHTSA ↗ ODI 11654080 Safety Concerns and Defects: I am reporting several safety-related defects in my 2020 Cadillac CT5, which have posed serious risks to me and my family: ⸻ 1. Transmission Pump Failure: •The transmission pump failed, causing loss of power and jerking while driving at highway speeds. This occurred on[XXX] in Georgia with my two small children in the car, putting us at high risk of a crash. •No warning lights appeared, and the failure was diagnosed by the dealer (Hennessey Cadillac). 2. EVAP System Failure (P0451): •A fuel tank pressure sensor … Look up ODI 11654080 at NHTSA ↗ ODI 11676351 I've owned 2 ct5 each one had their turbos go out at 55k miles each and valves bodies that need replacing around 70k for each vehicle Look up ODI 11676351 at NHTSA ↗	1 ODI 11717706 While driving on a very busy highway going downhill when suddenly the vehicle started feeling abnormal like it was going to turn off automatically, heard an abnormal grinding noise coming from the engine the vehicle dropped speed drastically and the check engine light turned on , luckily we were on a part of the road where I merged quickly to the side of the road followed by a sudden engine shut down, the safety of myself and 3 other passengers was very compromised due to nearly being hit by other vehicles coming at a high speed on a main high… Look up ODI 11717706 at NHTSA ↗	0	—	0	0	2 ODI 11560832 this vehicle has had multiple check engine failures it has been in for service six times in a matter of months. In September I had Service Traction control/StabiliTrack lights come on and the car losses of engine power. I had it serviced again in October for the same issue it was at the dealership for 20 days all they did was clear the code and drove it 38 miles, including the technician driving it home to see if the issue could be duplicated. After the 20th day they advised me to pick up my vehicle and return it when the light were actively on… Look up ODI 11560832 at NHTSA ↗ ODI 11718643 Catastrophic engine failure within 700 miles Requires full engine replacement Problems began around 150 miles on odometer Message: Reduced accelerated speed Check engine light Service transmission system Service variable valve timing system Look up ODI 11718643 at NHTSA ↗
Air Bags	1 ODI 11439475 I have had many issues with Onstar failing. I bought the 2020 Cadillac CT5 AWD 10/2020. It took Onstar over a month to connect to my car to provide AT&T internet plan (via Onstar). On 4/22/21 I was hit in my driver front & wheel, Onstar failed- never contacted us & the airbags did not deploy. I noticed my Onstar light was red. Onstar was repaired during the body shop repair. Soon after I picked up the car (approximately 1 month) the SRS light came on & Onstar turned red again on 7/31/21. Dropped off the car to be repaired 8/13/21. After repair,… Look up ODI 11439475 at NHTSA ↗	0	0	0	0	—	3 ODI 11430956 There was no indication that the Automatic Braking System, Air Bags and Seatbelts were not working properly. In August 12, 2021, I was in an auto accident where I rear-ended another dodge car. The air bags did not deploy and Onstar was not notified. I believe I hit the steering wheel. I went to the emergency room and have seem my primary doctor once. I have a follow-up appointment this week for pain in the middle of my breast bone. My issuance company will inspect the car, after GM completes their inspection on Monday, August 27, 2021. … Look up ODI 11430956 at NHTSA ↗ ODI 11676071 The lane departure didn’t work as expected to avoid a crash. I was hurt and bruised due to the air bags never deployed after hit on right wheel number flew off causing my to go into 5 guard rails . The whole front end was destroyed into pieces “no airbags” I’m lucky to be alive. It was inspected by police and my insurance company consider it total loss.nothing before or after the impact Look up ODI 11676071 at NHTSA ↗ ODI 11766843 My car was hit from behind very hard and my head hit the steering wheel. The whole back was crushed and the airbagss did not deploy. Look up ODI 11766843 at NHTSA ↗	0
Forward Collision Avoidance: Automatic Emergency Braking	1 ODI 11605992 When approaching a stopping vehicle the brake pedal became extremely hard to press and I could not brake enough to stop and had a collision. Come to find out that the ABS computer and the main ECU weren't communicating correctly which turned off the assisted braking, assisted steering and the AWD. Look up ODI 11605992 at NHTSA ↗	0	1 ODI 11738910 While driving vehicle at approximately 50 mph in normal driving conditions, the vehicle’s automatic emergency braking/forward collision system activated an alert when a vehicle ahead of me slowed and turned out of my lane. After the lane was fully clear and there was no obstacle in front of the vehicle, the system aggressively braked and brought the car completely to a stop on the highway. During the event, the vehicle temporarily would not respond to accelerator input even while pressing the gas pedal. This created an extremely dangerous situa… Look up ODI 11738910 at NHTSA ↗	0	0	3 ODI 11430956 There was no indication that the Automatic Braking System, Air Bags and Seatbelts were not working properly. In August 12, 2021, I was in an auto accident where I rear-ended another dodge car. The air bags did not deploy and Onstar was not notified. I believe I hit the steering wheel. I went to the emergency room and have seem my primary doctor once. I have a follow-up appointment this week for pain in the middle of my breast bone. My issuance company will inspect the car, after GM completes their inspection on Monday, August 27, 2021. … Look up ODI 11430956 at NHTSA ↗ ODI 11676071 The lane departure didn’t work as expected to avoid a crash. I was hurt and bruised due to the air bags never deployed after hit on right wheel number flew off causing my to go into 5 guard rails . The whole front end was destroyed into pieces “no airbags” I’m lucky to be alive. It was inspected by police and my insurance company consider it total loss.nothing before or after the impact Look up ODI 11676071 at NHTSA ↗ ODI 11766843 My car was hit from behind very hard and my head hit the steering wheel. The whole back was crushed and the airbagss did not deploy. Look up ODI 11766843 at NHTSA ↗	—	0
Vehicle Speed Control	2 ODI 11359880 · 300 mi PURCHASED MY 2020 CT5 IN APRIL 2020. SINCE THEN THE VEHICLE HAS BEEN AT THE DEALERSHIP 5 TIMES FOR THE SAME SERVICE DRIVER ASSIST AND FORWARD COLLISION SYSTEM UNAVAILABLE. GM HAS DISPATCHED A SENIOR ADVISOR TO TEST THE VEHICLE AND EVEN LEFT A CODE READER IN THE VEHICLE TO TRACK ITS PERFORMANCE. MESSAGES CAME ON AGAIN. I RECORDED IT AS INSTRUCTED AND THE DEVICE WAS SENT BACK TO THE GM ENGINEERS. IT HAS BEEN OVER A MONTH TODAY 18 SEPTEMBER AND STILL NO UPDATE AS TO WHAT'S WRONG WITH THIS CAR. THEY'VE REPLACED AND REINSTALLED CAMERAS AND DEVICES A… Look up ODI 11359880 at NHTSA ↗ ODI 11621061 This new 2025 Cadillac CT5 displays incorrect posted speed limits on Rte. 114 Flanders Rd, Gulf Rd, Bear hill Rd , .Ryan Rd, in Henniker NH. speed of 55mph which is incorrect to legal posted speed limits being much slower. This vehicle also shows roads that have no posted speed limit sign of 55 mph, which should be for safety reason(--) Can we have these roads updated to display the correct posted speed limits from the third party supplier /google. Look up ODI 11621061 at NHTSA ↗	2 ODI 11560832 this vehicle has had multiple check engine failures it has been in for service six times in a matter of months. In September I had Service Traction control/StabiliTrack lights come on and the car losses of engine power. I had it serviced again in October for the same issue it was at the dealership for 20 days all they did was clear the code and drove it 38 miles, including the technician driving it home to see if the issue could be duplicated. After the 20th day they advised me to pick up my vehicle and return it when the light were actively on… Look up ODI 11560832 at NHTSA ↗ ODI 11718643 Catastrophic engine failure within 700 miles Requires full engine replacement Problems began around 150 miles on odometer Message: Reduced accelerated speed Check engine light Service transmission system Service variable valve timing system Look up ODI 11718643 at NHTSA ↗	1 ODI 11359880 · 300 mi PURCHASED MY 2020 CT5 IN APRIL 2020. SINCE THEN THE VEHICLE HAS BEEN AT THE DEALERSHIP 5 TIMES FOR THE SAME SERVICE DRIVER ASSIST AND FORWARD COLLISION SYSTEM UNAVAILABLE. GM HAS DISPATCHED A SENIOR ADVISOR TO TEST THE VEHICLE AND EVEN LEFT A CODE READER IN THE VEHICLE TO TRACK ITS PERFORMANCE. MESSAGES CAME ON AGAIN. I RECORDED IT AS INSTRUCTED AND THE DEVICE WAS SENT BACK TO THE GM ENGINEERS. IT HAS BEEN OVER A MONTH TODAY 18 SEPTEMBER AND STILL NO UPDATE AS TO WHAT'S WRONG WITH THIS CAR. THEY'VE REPLACED AND REINSTALLED CAMERAS AND DEVICES A… Look up ODI 11359880 at NHTSA ↗	0	2 ODI 11560832 this vehicle has had multiple check engine failures it has been in for service six times in a matter of months. In September I had Service Traction control/StabiliTrack lights come on and the car losses of engine power. I had it serviced again in October for the same issue it was at the dealership for 20 days all they did was clear the code and drove it 38 miles, including the technician driving it home to see if the issue could be duplicated. After the 20th day they advised me to pick up my vehicle and return it when the light were actively on… Look up ODI 11560832 at NHTSA ↗ ODI 11718643 Catastrophic engine failure within 700 miles Requires full engine replacement Problems began around 150 miles on odometer Message: Reduced accelerated speed Check engine light Service transmission system Service variable valve timing system Look up ODI 11718643 at NHTSA ↗	0	0	—

Co-reporting does not establish that one component caused another concern.

Recurring narrative patterns

Specific keyword mentions beyond broad component labels. Matching includes negations and comparisons and does not confirm a diagnosis.

Search patterns

5 patterns with matching reports.

Warning lights and dashboard alerts

14 mentions · 13.1% of complaints

Median mileage: 12,000 mi (7 usable records).

ODI 11330364 · 670 mi

VEHICLE DISPLAYED SERVICE DRIVER ASSIST WARNING WHICH TRIGGERED CHECK ENGINE LIGHT. SERVICE BULLETIN ISSUED N202294740 TO UPDATE SOFTWARE. SOFTWARE UPDATED AND ON WAY HOME SERVICE DRIVER ASSIST WARNING CAME BACK ON. VEHICLE WAS IN MOTION ON THE HIGHWAY. *TR

Look up ODI 11330364 at NHTSA ↗

ODI 11385267 · 20 mi

TL* THE CONTACT OWNS A 2020 CADILLAC CT5. THE CONTACT STATED WHILE STARTING THE VEHICLE, THE SERVICE SAFETY RESTRAINT SYSTEM AND AIR BAG WARNING LIGHTS WERE ILLUMINATED. THE VEHICLE WAS TAKEN TO THE LOCAL DEALER - DUBLIN CADILLAC (4200 JOHN MONEGO CT, DUBLIN, CA 94568: [phone removed]) AND MATAGA BUICK GMC CADILLAC (3261 AUTO CENTER CIR, STOCKTON, CA 95212, [phone removed]) HOWEVER, THE MECHANICS WERE UNABLE TO DIAGNOSE THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS INFORMED OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY…

Look up ODI 11385267 at NHTSA ↗

ODI 11560832

this vehicle has had multiple check engine failures it has been in for service six times in a matter of months. In September I had Service Traction control/StabiliTrack lights come on and the car losses of engine power. I had it serviced again in October for the same issue it was at the dealership for 20 days all they did was clear the code and drove it 38 miles, including the technician driving it home to see if the issue could be duplicated. After the 20th day they advised me to pick up my vehicle and return it when the light were actively on…

Look up ODI 11560832 at NHTSA ↗

Matching rule

\b(warning light\w*|check engine|dashboard warning\w*|malfunction indicator)\b

Hard or delayed shifting

7 mentions · 6.5% of complaints

Median mileage: 578 mi (3 usable records).

ODI 11355006 · 440 mi

WHEN THE VEHICLE IS TRAVELING OVER 50 MPH, AND TAKES SWEEPING TURNS / GRADUAL BENDS ON THE HIGHWAY, IT BECOMES APPARENT THAT TURNING RIGHT IS MUCH HARDER THAN TURNING LEFT. THE STEERING WHEEL IS MUCH STIFFER AND FEELS HEAVIER WHEN MAKING RIGHT TURNS AT SPEED, ALMOST LIKE IT'S PERMANENTLY STUCK IN SPORT MODE WHEN THE WHEEL IS TURNED RIGHT. IT IS CONSTANTLY FIGHTING TO GET BACK TO CENTER WHEN TAKING THOSE RIGHT TURNS AT SPEED. LEFT TURNS ARE FINE. ON TWO OCCASIONS, THE WHEEL SUDDENLY AND VIOLENTLY JERKED LEFT, TRYING TO GET BACK TO CENTER AS I WA…

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ODI 11654080

Look up ODI 11654080 at NHTSA ↗

ODI 11681128

Look up ODI 11681128 at NHTSA ↗

Matching rule

Brake response concerns

3 mentions · 2.8% of complaints

Median mileage: 65,000 mi (1 usable records).

ODI 11697874 · 65,000 mi

The contact owns a 2020 Cadillac CT5. The contact stated that while driving approximately 65 MPH, the vehicle unexpectedly stopped without the brake pedal being depressed. The contact stated that the message "Reduced Power" was displayed on the instrument cluster. The contact was able to continue driving; however, the vehicle failed to accelerate above 10 MPH. The contact was able to drive the vehicle off the highway and then to the residence. The contact was able to restart the vehicle and saw several warning lights illuminated on the instrume…

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ODI 11605992

When approaching a stopping vehicle the brake pedal became extremely hard to press and I could not brake enough to stop and had a collision. Come to find out that the ABS computer and the main ECU weren't communicating correctly which turned off the assisted braking, assisted steering and the AWD.

Look up ODI 11605992 at NHTSA ↗

ODI 11738910

While driving vehicle at approximately 50 mph in normal driving conditions, the vehicle’s automatic emergency braking/forward collision system activated an alert when a vehicle ahead of me slowed and turned out of my lane. After the lane was fully clear and there was no obstacle in front of the vehicle, the system aggressively braked and brought the car completely to a stop on the highway. During the event, the vehicle temporarily would not respond to accelerator input even while pressing the gas pedal. This created an extremely dangerous situa…

Look up ODI 11738910 at NHTSA ↗

Matching rule

Stalling or loss of power

1 mentions · 0.9% of complaints

Median mileage: Unavailable (0 usable records).

ODI 11654080

Look up ODI 11654080 at NHTSA ↗

Matching rule

\b(stall\w*|loss of power|lost power|engine shut\w* off)\b

Steering assistance concerns

1 mentions · 0.9% of complaints

Median mileage: 19,480 mi (1 usable records).

ODI 11640854 · 19,480 mi

The contact owned a 2023 Cadillac CT5. The contact stated that while exiting the highway on the far right lane on a 2-lane exit at 45 MPH, a message appeared on the instrument panel that read "Steering assistance reduced, drive with care" and "Service Power Steering". The contact stated that he was driving the vehicle while his son was seated in the passenger seat when the crash occurred. The contact attempted to veer into the left lane when the steering wheel seized causing the contact to crash into the rear bumper of the vehicle in front. The…

Look up ODI 11640854 at NHTSA ↗

Matching rule

\b(power steer\w*|steering assist\w*|steering lock\w*|steering wheel lock\w*)\b