| 2024-11 | 1 | None | ODI 11624570I am writing to register our complaint and urgently request your support in resolving a serious health issue related to what we believe is a factory defect with the Toyota BZ4. Timeline of events: In April 2023, I purchased a brand new BZ4 from the Downtown Oakland Toyota dealership. In July 2024, I noticed a foul smell in the car coming from the air conditioning vents. The car was difficult to drive in due to the severity of the smell. On September 11, 2024, we took the BZ4 to the dealer for maintenance and asked for them to look into th… Look up ODI 11624570 at NHTSA ↗ |
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| 2024-12 | 0 | None | No examples available for this selection. |
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| 2025-01 | 0 | None | No examples available for this selection. |
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| 2025-02 | 2 | None | ODI 11642584 · 12,389 miThe contact owns a 2024 Toyota BZ4X. The contact stated that the battery failed to retain a charge, resulting in the doors not unlocking as needed. The contact stated that the dealer had previously replaced the battery, but the failure persisted. The vehicle was towed back to the dealer, who determined that the battery had failed again. The vehicle was not repaired and remained at the dealer. The manufacturer was not made aware of the failure. The failure mileage was approximately 12,389. Look up ODI 11642584 at NHTSA ↗ ODI 11644322**Report to NHTSA – 12-Volt Battery Issue in Toyota BZ4X** **Vehicle Information:** - **Make & Model:** Toyota BZ4X - **Issue:** 12-Volt Battery Drain **Description of the Problem:** I have been experiencing repeated issues with the 12-volt battery in my Toyota BZ4X. If the vehicle is not driven for one or two days, the battery depletes, requiring a jump-start to operate. I have taken the car to the dealership for inspection on two separate occasions, once in November and again recently. On both visits, the dealer was unable to id… Look up ODI 11644322 at NHTSA ↗ |
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| 2025-03 | 3 | None | ODI 11649065AC Compressor. The dealer is saying I need to repair the AC compressor. When this happened my heater and mileage weren't showing and a lot of message errors were showing. Look up ODI 11649065 at NHTSA ↗ ODI 11650708I drove the car at 40mph through about 2 inches of standing water. This caused the undercarriage splash plate to become loose. It has not fallen off, but it will need to be repaired. The streets sometimes flood and none of the cars I’ve owned ever had this happen. Look up ODI 11650708 at NHTSA ↗ ODI 116508342024 BZ4x, 590 miles on ODO. Purchased the car on Sunday, 03/23/2025. Monday Morning - Turning on the Car (In my garage). I had it in "ready" while I tried to connect my Toyota app to the car, While talking to Toyota engagement for help.. (Never was able to change the primary driver on it.) The accessory lights flickered and a bell went on and off. Then the car went totally black. Toyota called a tow truck driver. He jumped the 12 volt. It gave it enough juice so I put in reverse and there was a Loud Grinding noise. "Brake System Malfunction- … Look up ODI 11650834 at NHTSA ↗ |
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| 2025-04 | 2 | None | ODI 11653558Sparks coming out the charge port Look up ODI 11653558 at NHTSA ↗ ODI 11654242The air conditioner/heat pump has went out twice in 5 months. AC compressor failure poses several safety risks, including the potential for fires, refrigerant leaks leading to health hazards, and increased humidity fostering mold and mildew growth, which can worsen indoor air quality and lead to respiratory issues. Causing concern of leaking refrigerant into the cabin of the vehicle could lead to cancer and death. Look up ODI 11654242 at NHTSA ↗ |
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| 2025-05 | 1 | None | ODI 11663632Steering system, potentially related to electric power steering (EPS) or driver-assist systems (lane keeping or steering assist). While completing a routine right-hand turn, my husband began to straighten the steering wheel when the steering system suddenly and sharply turned further right without any driver input. This caused the vehicle to strike a curb, damaging both passenger-side wheels and the front tire. There were no warning lights or indicators, and road and weather conditions were normal. The uncommanded steering input appeared to c… Look up ODI 11663632 at NHTSA ↗ |
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| 2025-06 | 3 | None | ODI 11666165UNKNOWN , 11/26/2024 car in garage would not start, car was tow to Toyota and Toyota replaced the battery. then on 02/06/2025 vehicle was in garage and would not start and vehicle was tow again to Toyota dealer. Where dealer replaced 12 volt battery at 5,283 miles. And told us to put a battery charger on the battery. Look up ODI 11666165 at NHTSA ↗ ODI 11664415I was driving very slowly (5 to 10 MPH) through a rain storm on May 28th. The water rose to about 6 inches (fairly still, not rushing water), and I heard a loud and alarming noise under the car. I drove on for one block on a neighborhood street until I could get to higher ground. I discovered that the force of the water pulled down the fabric and plastic shrouds from the wheel-well into the wheels. The cloth and plastic shrouds were then pulled under the wheels, and the whole connected assembly was ripped off the car. This caused damage to… Look up ODI 11664415 at NHTSA ↗ ODI 11666897On [XXX], while driving through a common roadway puddle at a safe speed, the front bumper on my BZ4X detached from the undercarriage shield and tore away from the clips. This type of damage is clearly disproportionate to the conditions and reflects a deficiency in structural design. After researching this issue, I found that many other BZ4X owners have experienced the same bumper detachment and undercarriage shield failure under minimal driving conditions. These consistent reports indicate a widespread manufacturing defect, not isolated driver … Look up ODI 11666897 at NHTSA ↗ |
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| 2025-07 | 1 | None | ODI 11675770Driver sustained severe hand injuries due to airbag deployment while the hand was on the horn pad. Possible over-aggressive deployment or module failure. Incident occurred on [XXX], while driving a 2024 Toyota BZ4X (VIN: [XXX] ). Requesting formal investigation into the airbag system and front structural integrity of this vehicle model. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6) Look up ODI 11675770 at NHTSA ↗ |
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| 2025-08 | 3 | None | ODI 11681777LEFT FRONT FENDER AND HOOD CONTACTED UPON GOING INTO A DIP IN THE ROAD DURNING ROAD CONTRUCTION PERFORMED BY BITUMINOUS ROADWAYS, INC. DAMAGE TO FENDER AND HOOD. VEHICLE BODY AND OR FRAME WISTED. BROUGHT THE VEHICLE TO LAMETTRY'S IN BURNSVILLE MINNESOTA. THEY STAED THAT THE DIP IN THE ROAD MAY HAVE CAUSED THIS CONDITION AS SEEN FROM THE SCRAPE MARKS ON LATCH. TOYOTA DEALER INSPRSTION AND CASE OPENED. CRUNCH NOISE HEARD DURING INCIDENT. Look up ODI 11681777 at NHTSA ↗ ODI 11682285I am very concerned about potential accidents for my self and others driving this vehicle. I have multiple close call accidents because the left view mirror does't have proper view to see cars on left side especially if they are close. The way seat and the side of the vehicle is shaped its very hard to still see manually with head turned to the left rear side. The mirror or the shape or position needs to be changed for safety to prevent accidents. Look up ODI 11682285 at NHTSA ↗ ODI 11682437The 12 volt battery does not maintain a charge. I have had it replaced twice. I purchased new January 2025; first battery replaced on March 20, 2025; second battery replaced August 13, 2025. I am currently having the same issue with the battery management system which controls temperature and battery usage. After sitting overnight, I drove my car approximately three miles parked and attempted to use the key fob to secure the vehicle, it failed. I had no problem or indication at the start of my trip. I had to secure the door with my physical key… Look up ODI 11682437 at NHTSA ↗ |
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| 2025-09 | 1 | 25V577000 | ODI 11690353Premature and abnormal tire wear on my 2023 Toyota bZ4X, confirmed by two independent tire shops, despite consistent Toyota dealer maintenance every 6,000 miles. Beaverton Toyota dealer dismissed the condition as “normal,” but both [XXX] and Discount Tire documented unsafe tire wear caused by alignment. --- Details of Problem: Vehicle serviced exclusively at Toyota dealer (Beaverton Toyota, OR) every 6,000 miles, with multipoint inspections and rotations. On 9/22/25, Toyota dealer inspected the vehicle and reported that alignment and tire… Look up ODI 11690353 at NHTSA ↗ |
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| 2025-10 | 2 | 25V744000 | ODI 11692228I am writing to formally report ongoing issues with my Toyota bZ4X that raise serious safety concerns. The vehicle has been inspected twice by authorized Toyota service centers, and each time I have been told that no problems were found. However, the following issues continue to persist: 1. Inaccurate Battery Readings: The electric system appears to malfunction regularly. The displayed battery percentage and estimated mileage are inconsistent and unreliable. For example, the battery may indicate a higher percentage while simultaneously s… Look up ODI 11692228 at NHTSA ↗ ODI 11695462The vehicle experienced repeated electrical and brake system malfunctions that pose serious safety concerns. On multiple occasions, the brake pedal became stiff and unresponsive while driving, and the parking brake system failed to engage properly. In addition, the ignition system often failed to start, even when the battery and all power indicators appeared normal. At times, the vehicle’s electrical system completely shut down without warning , causing loss of power functions, dashboard lights, and essential safety controls. These failures oc… Look up ODI 11695462 at NHTSA ↗ |
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| 2025-11 | 4 | None | ODI 11699930I LEASED A TOYOTA BZ4X THE PARKING BRAKE LIGHTS AND OTHER LIGHTS COME ON AND OFF WHILE I AM DRIVING AND FOB IS NOT TOUCHED. I TOOK CAR IN TO BE SERVICE FOR REGULAR MAINTENANCE AND WAS TOLD I HAD TO PAY $295 AND I AM UNDER WARRANTY. I WAS SOLD THE CAR BRAND NEW AND I DON'T THINK IT IS. I KEEP HEARING PEOPLE TALKING WHEN THE CAR IS POWERED OFF. I REPORTED THIS SEVERAL TIMES AND WAS IGNORED. MY CAR KEEPS TRYING TO CUT OFF WHILE I AM DRIVING AND THE CAR STARTS SHAKING, ALL THE LIGHTS COME ON THEN GO OFF. I WAS TOLD I COULD GET MY CAR SERVICE AN… Look up ODI 11699930 at NHTSA ↗ ODI 11700668toyota bz4x 2025 ran 600 miles ony knocking noise over un road more so from the rear wheels driving 10 MPH Look up ODI 11700668 at NHTSA ↗ ODI 11700678a client states there is a knocking noise over un road more so from the rear wheels driving @ 10 MPH believes more so R/R wheel . they already fix two time , but still more knoking soung, the dealership service can not fix Look up ODI 11700678 at NHTSA ↗ |
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| 2025-12 | 1 | None | ODI 11706584While driving the road was wet the vehicle brake failure and the steering wheels stopped completely lost control of the vehicle and keep running over the curb and hit moving vehicle Look up ODI 11706584 at NHTSA ↗ |
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| 2026-01 | 2 | None | ODI 11708384The contact owns a 2023 Toyota BZ4X equipped with Goodyear Tires, Tire Line: Electric Drive 2, Tire Size: 215/50/R20, DOT Number: (N/A). The contact stated that while driving at various speeds above 50 MPH, the vehicle experienced severe shaking and abnormal vibration. The vehicle was taken to the local service center who determined that the foam pad inside the tire had malfunctioned. The foam was replaced, and the tires were balanced, but later the same failure reoccurred on the rear passenger’s side tire. The vehicle was taken to the local de… Look up ODI 11708384 at NHTSA ↗ ODI 11708823 · 55,000 miThe contact owns a 2023 Toyota BZ4X. The contact had attempted to use the defroster; however, the blower was not blowing hot air onto the windshield. The contact had received notification of NHTSA Campaign Number: 25V577000 (Visibility); however, when the dealer was contacted to schedule a recall repair, the contact was informed that the part to do the recall repair was on national back order. The contact called another dealer and the manufacturer, and was informed by both that the part was on national back order. The contact stated that the ma… Look up ODI 11708823 at NHTSA ↗ |
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| 2026-02 | 0 | None | No examples available for this selection. |
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| 2026-03 | 0 | None | No examples available for this selection. |
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| 2026-04 | 2 | None | ODI 11728838 · 117,000 miThe contact owns a 2023 Toyota BZ4X. The contact stated that the vehicle was awaiting a recall repair. The dealer informed the contact that the electrical HVAC compressor needed to be replaced as part of the recall repair; however, the part was on back order. The vehicle was taken to the dealer, but the recall repair was not completed. The manufacturer was notified of the failure. The approximate failure mileage was 117,000. Look up ODI 11728838 at NHTSA ↗ ODI 11733142While driving on the highway under normal conditions with no road hazards present, the engine under cover (part #51441-42210) detached from my vehicle and the bumper clips broke, causing both the under cover and bumper to become damaged and requiring replacement. There was no collision, no debris, no pothole, or any other road hazard involved. The failure occurred solely under routine highway driving conditions. Upon taking the vehicle to my Toyota dealership, the service team acknowledged this is a known and recurring issue with the bZ4X model… Look up ODI 11733142 at NHTSA ↗ |
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| 2026-05 | 6 | None | ODI 11735209What component or system failed or malfunctioned, and is it available for inspection upon request? The HVAC system, specifically the electric A/C compressor, has failed. The system produces a loud grinding/buzzing noise and has been diagnosed by authorized Toyota dealerships as requiring full compressor replacement. The vehicle is available for inspection upon request. How was your safety or the safety of others put at risk? This failure directly impacts the vehicle’s defrost system, which is critical for maintaining windshield visibility. Red… Look up ODI 11735209 at NHTSA ↗ ODI 11735739 · 9,787 miThe contact owns a 2024 Toyota BZ4X. When pressing the accelerator toelerator pedal to go onto the freeway, the vehicle failed to accelerate and suddenly shifted to neutral. The contact would have to press the brake pedal, the contact would immediately shift the vehicle back to Drive and continue forward. While continuing to drive, the vehicle accelerated. There were no warning lights. The failure had occurred 3 times. When attempting to start the vehicle one day, the vehicle failed to start. The tow company came and provided a jump-start, and … Look up ODI 11735739 at NHTSA ↗ ODI 11736210The car show on the screen a message in regards to the Adaptative Cruise Control Malfunction and it’s showing an orange sign light.. Another problem it’s in regards the AC.. it’s not working Look up ODI 11736210 at NHTSA ↗ |
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| 2026-06 | 0 | None | No examples available for this selection. |
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| 2026-07 | 1 | None | ODI 11752465I was driving during heavy rain when I heard and felt a big thump. I wasn't sure what happened as I did not hit anything in the road. I was in my neighborhood driving at low speeds (<30mph). When I got home, I realized my fender liners and lower splash guard of my car were missing. I went back out to retrieve these pieces of my car, and it appeared the fender liners and the splash guard got torn off my car without impact with anything, as nothing was in the road near it. I was going to attempt to reconnect them but the plastic clips on the… Look up ODI 11752465 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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