2023 Toyota BZ4X Other or unknown Problems
- Complaints
- 3about this part
- Share
- 14%of 21 total for the year
- Median mileage
- —not reported
- Trend
- Too newThis model year is less than 4 years old, so a trend is not meaningful yet.
NHTSA recorded 3 complaints about the other or unknown of the 2023 Toyota BZ4X, 14% of the 21 complaints for this model year.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“I submitted this form earlier, but I’m unsure whether it went through. If this is a duplicate, please disregard. An incident of sudden, unintended acceleration occurred while pulling into a gravel parking area on a hillside at dusk. While turning, the vehicle suddenly lunged forward and struck a tree stump. It would have been avoided without the sudden acceleration. The driver slammed on the brakes, and the vehicle came to rest right at the edge of a downward slope. …”
NHTSA complaint #11560030, filed 2023-12“AC 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.”
NHTSA complaint #11649065, filed 2025-03“I 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 the foul smell. …”
NHTSA complaint #11624570, filed 2024-11Related service bulletins
- 11028712Jan 7, 2026Some 2005 – 2026 Toyota vehicles that have undergone water intrusion may exhibit a condition in which a musty odor is present. Follow the procedures in this bulletin to remediate…
- 11026302Nov 4, 2025Model Year 2023-2025 bZ4X vehicles have charge ports that use the CCS standard. This program is for lessees and owners of these vehicles to receive 1 complimentary NACS Charging…
- 11010361Oct 24, 2024The table below describes the phases currently planned for the Second Key Delivery Program and the estimated timing of announcement. This table will be updated during each phase…
- 11010360Oct 24, 2024SECOND KEY DELIVERY PROGRAM 23TJ01 Multiple Models and Model Years Second Key Delivery Program Frequently Asked Questions
- 11010359Oct 24, 2024The supply of Smart Keys available for Toyota vehicles has been temporarily limited to one (1) on select models since October 2022 due to global semiconductor shortages impacting…
- 11010358Oct 24, 2024The subject vehicles were delivered with only one (1) Smart Key on select models since October 2022 due to a global semiconductor shortage impacting certain microchips. The…
- 11010105Sep 25, 2024The table below describes the phases currently planned for the Second Key Delivery Program and the estimated timing of announcement. This table will be updated during each phase…
- 11010104Sep 25, 2024SECOND KEY DELIVERY PROGRAM Frequently Asked Questions
- 11010103Sep 25, 2024The subject vehicles were delivered with only one (1) Smart Key on select models since October 2022 due to a global semiconductor shortage impacting certain microchips. The…
- 11010068Sep 17, 2024The table describes the phases currently planned for the Second Key Delivery Program and the estimated timing of announcement. This table will be updated during each phase launch…
Other or unknown: other model years
Other parts of the 2023 Toyota BZ4X
5 complaintsElectrical system
3 complaintsBody and structure
3 complaintsTires
3 complaintsWheels
2 complaintsAir bags
1 complaintsForward collision avoidance
1 complaintsSuspension
1 complaintsVehicle speed control
1 complaints
← All problems reported for the 2023 Toyota BZ4X
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology