| 2024-11 | 0 | None | No examples available for this selection. |
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| 2024-12 | 0 | None | No examples available for this selection. |
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| 2025-01 | 0 | 25V031000 | No examples available for this selection. |
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| 2025-02 | 1 | None | ODI 11644548Front driver wheel has started to spin when power applied from a stop or from a slow roll. Tires are in great condition, further research indicates that this is a typical issue between the transfer case and differential. Splines get stripped and the car essentially becomes 2 wheel drive. [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6) Look up ODI 11644548 at NHTSA ↗ |
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| 2025-03 | 1 | None | ODI 11647519My transfer case went out at an unknown mileage with no indication on my dash that there was a failure. It converted the vehicle to front wheel drive while indicating it was still having the back wheel spinning on the all-wheel drive indicator on the dash. During a recent snowstorm, there were multiple instances when I pulled out from an intersection thinking I had good traction I'm pulled out and then my wheels started spinning almost causing an accident. I thought that was weird so I brought it to my local Acura dealer and explained what happ… Look up ODI 11647519 at NHTSA ↗ |
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| 2025-04 | 0 | None | No examples available for this selection. |
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| 2025-05 | 1 | None | ODI 11659888 · 41,143 midriving on highway car suddenly lost power check engine light came on. was able to coast off to an exit on the highway. car eventually unable to move. the car was towed to the dealer. the transmission and power take off unit was replaced. Look up ODI 11659888 at NHTSA ↗ |
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| 2025-06 | 0 | None | No examples available for this selection. |
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| 2025-07 | 1 | None | ODI 11671314Many attempts in the last 5k miles made to diagnose unsafe uncomfortable front vibrations. Vehicle erratically shaking above 50mph. Returned vehicle to CarMax (where vehicle purchased), and 3 separate individual Acura dealers made attempts. Rotated and rebalanced tires several times with a scan tool connected as a technician drove vehicle with no results Finally Acura dealer an hour away from my home diagnosed faulty front transfer case pending anything further. Conveyed the shaft splines into transfer case and other end to transmission may be … Look up ODI 11671314 at NHTSA ↗ |
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| 2025-08 | 1 | None | ODI 11682637Transfer case became defective and fluids started mixing in with it and in the result of all of that I needed a new transmission as well Look up ODI 11682637 at NHTSA ↗ |
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| 2025-09 | 0 | None | No examples available for this selection. |
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| 2025-10 | 2 | None | ODI 11691842Upon normal highway driving a couple of months ago, began to notice shifting that was not smooth and rpm "surges" on hills despite constant throttle. Upon taking car to dealer, inspection revealed an internal spline failure between transmission and transfer case. Lead mechanic explained it was not the first he had seen of this model and that it was clearly internal and caused by a manufacturing and/or assembly defect. I caught the problem early enough to not have a complete car failure; however, left untreated, it would lead to a transmission… Look up ODI 11691842 at NHTSA ↗ ODI 11693280The transfer case spline stripped preventing power to be sent to the rear wheels Look up ODI 11693280 at NHTSA ↗ |
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| 2025-11 | 2 | None | ODI 11700591The transmission and transaxle malfunctioned. Evidence was a leak from the transaxle. The dealer confirmed that the vehicle was operating in 2WD mode even though it did not detect any issues from its onboard sensors, and the car thought it was still sending power to all 4 wheels. There were no warning lights that the vehicle was no longer driving in 4wd mode, so the driving dynamics would've been unexpected in conditions that 4wd would normally help, like rain and snow. Unexpectedly experienced tire spin in the rain, for example. The deale… Look up ODI 11700591 at NHTSA ↗ ODI 11700964While making a left turn into a parking lot my car exhibited a loud bang noise. It felt as if the car had been hit from the rear. While applying the gas the car jerked and popped in the rear. I had the car towed to a dealership where I was informed the transfer case had " Destroyed itself". The gears broke apart internally. I was also informed that the transmission power take off was destroyed.The car only has 87000 miles on it and has been serviced at recommended intervals. The dealership quoted 19000.00 dollars to repair. The car was out of A… Look up ODI 11700964 at NHTSA ↗ |
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| 2025-12 | 1 | None | ODI 11702881Vehicle is 3 years old with 60K miles. Transfer case became defective under normal driving and with regular recommended maintenance. We did not know this occurred until a recent dealership visit for another issue. We do not know how long this has been an issue. When the transfer case malfunctioned, there were no warning lights and vehicle has been only functioning in front-wheel drive (designed to be AWD) which is extremely dangerous during the midwestern winters as the weight of the rear of the vehicle leads to sway. Issue was detected by the … Look up ODI 11702881 at NHTSA ↗ |
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| 2026-01 | 1 | None | ODI 11710451The vehicle is experiencing a catastrophic mechanical failure of the transfer case/transmission splines, resulting in a 'Loss of Motive Power.' On two occasions while merging into high-speed highway traffic, the engine revved to high RPMs, but the vehicle failed to accelerate for approximately 5 seconds (Mechanical Neutral Drop). These incidents resulted in near-collisions. The vehicle also exhibits violent torque steer and unpredictable handling. The issue was initially reported to an authorized dealer at 70,320 miles but was misdiagnosed as … Look up ODI 11710451 at NHTSA ↗ |
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| 2026-02 | 0 | None | No examples available for this selection. |
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| 2026-03 | 4 | None | ODI 11722903Starting hearing issues late 24 of MDX and TLX losing all-wheel-drive due to splines stripping between the transmission and transfer case. Had car thoroughly inspected and fluid samples taken in December of 24. In February on 25 with a frame rattling bang as I was pulling out onto a street, rear wheel drive went out at 64k. No warning lights and no indicators, dash showed all 4 tires pulling. Dealership verified system was stripped as rear tires were not turning. Also discovered connection between the two units failed allowing water to get in a… Look up ODI 11722903 at NHTSA ↗ ODI 11723357I own a 2022 MDX Type-S. I recently read about complaints about TLX and MDX models losing their AWD system and only resulting to FWD. I was a victim of this in Montana and it was a long fight with Acura / Honda to look at the problem. It was also very dangerous as I worked up in Big Sky and would rely on the AWD system in snowy conditions. This system would always fail. After a long fight, they finally towed my vehicle back to Salt Lake City, where it was purchased from, and replaced a "sensor." Look up ODI 11723357 at NHTSA ↗ ODI 11723962Catastrophic Power Take-Off Unit (PTU) and Transmission spline failure on a 2022 Acura MDX Type-S vehicle. Had dangerous loss of traction and unexpected handling characteristics with rough shifting, RPM Surges, Sensor problem LOSS OF Power, Delayed shifting with Jerky ride, and a smell of burning oil or rubber, also would move into reverse and the Drive Letter "D" was blinking. The problem was confirmed by Independent service center and it was inspected by the manufacturer. Messages indicating engine/transmission issues appeared on Jan 4, 2026;… Look up ODI 11723962 at NHTSA ↗ |
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| 2026-04 | 0 | None | No examples available for this selection. |
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| 2026-05 | 3 | None | ODI 11739430When about to make a left turn since oncoming traffic on to highway I hit the gas quickly after stopping and heard a loud bang. Drove till I got off the highway at a red light I hit the gas and noticed the front wheels was spinning and realized it wasn't a awd. Took it the dealer and they realzied the driveshaft was spinning by hand. Look up ODI 11739430 at NHTSA ↗ ODI 11741153Under medium acceleration vehicle shuddered a lot. Currently it’s only driven by the front wheels and it will torque steer a lot. I’m assuming my splines are stripped to transfer case. Thankfully, I am under warranty and I’m going to get this repaired. Look up ODI 11741153 at NHTSA ↗ ODI 11738699There was a loud noise from under the car, and the car suddenly started to experience wheel spin. It's AWD and should not be spinning the tires. Suddenly losing AWD is dangerous when you expect the car to perform like an AWD car. Dealership said the transmission spline is stripped and needs replaced under warranty. Car has currently been at the dealership for 50 days. There is no known ETA on replacement parts. No warnings on anything, the car's power distribution meter still shows power going to the rear wheels even though it is not. I … Look up ODI 11738699 at NHTSA ↗ |
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| 2026-06 | 4 | None | ODI 11741389Reporting an additional case in support of ongoing defect petition investigation DP26001. 2022 Acura MDX Type S SH-AWD, currently at 63,700 miles. While driving and making a turn, I heard a grinding noise with no warning lights illuminated. I stopped immediately and shut off the engine but noticed no abnormality. I restarted the vehicle and drove with no further issues or noises. Later, during a scheduled oil change, I discovered that the area between the transmission and PTU was covered in oil. The Acura dealership diagnosed a bad PTU seal a… Look up ODI 11741389 at NHTSA ↗ ODI 11742445The vehicle's all wheel drive system has malfunctioned at 77,000 miles with a known all wheel drive system issue. Because we are 7k beyond the power train warranty, Acura is not wanting to cover the repair even though this is a known issue. Look up ODI 11742445 at NHTSA ↗ ODI 11744800The transfer case on my 2024 Acura MDX Type S failed with under 30,000 miles. I believe there's a public investigation from the NHTSA, I wanted to ensure my case was reported. Look up ODI 11744800 at NHTSA ↗ |
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| 2026-07 | 2 | None | ODI 11750629 · 50,000 miThe contact owns a 2023 ACURA MDX. The contact stated that while driving on the highway at 45 MPH an abnormal sound was emitted from underneath the vehicle, and the vehicles steering was being pulled to the right, no warning lights were illuminated. The vehicle was taken to a local dealer where the vehicle was diagnosed and the contact was advised that that the PTU/PTO was faulty as metal shavings were found in the transfer case and needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mi… Look up ODI 11750629 at NHTSA ↗ ODI 11751644While making a left turn from an on-ramp, I heard a loud crunch from the drivetrain and experienced a momentary loss of power. Immediately afterward, the front tires began spinning under acceleration. I realized the vehicle was no longer sending power to the rear wheels and had effectively lost its all-wheel-drive capability. The instrument display continued to indicate that power was being sent to the rear wheels even though the rear wheels were not receiving power. This gave an inaccurate indication of the vehicle’s operating condition. The… Look up ODI 11751644 at NHTSA ↗ |
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| 2026-08 | 0 | None | No examples available for this selection. |
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| 2026-09 | 0 | None | No examples available for this selection. |
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| 2026-10 (partial) | 0 | None | No examples available for this selection. |
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