2023 Toyota BZ4X Electrical system 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 electrical system 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.
“UNKNOWN , 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.”
NHTSA complaint #11666165, filed 2025-06“For the 6th time, the car is without power. It will not start although the starter battery was changed by the dealer on 5/28/24. The EV battery does not show any power. This is the 6th time that car will not start and without power. It was bought brand new on 1/1/2023.”
NHTSA complaint #11596203, filed 2024-06Related service bulletins
- 11020657Jun 13, 2025The air conditioning dye injection tool kit has been developed to aid in identifying the location of air conditioning refrigerant leaks. The procedures outlined in this Service…
- 11019331Apr 2, 2025To assist with the early detection and early resolution of audio related concerns you may be asked to recover MMR data from the head unit. The following steps are instructions on…
- 11018328Apr 2, 2025To assist with the early detection and early resolution of audio related concerns you may be asked to recover MMR data from the head unit. The following steps are instructions on…
- 11016781Feb 10, 2025The Immobilizer and Smart Key Reset is a feature that allows the registration of new keys when all master keys are lost. Once the system is reset, all previously registered keys…
- 11015495Feb 10, 2025The Immobilizer and Smart Key Reset is a feature that allows the registration of new keys when all master keys are lost. Once the system is reset, all previously registered keys…
- 11014211Jan 30, 2025OBSOLETE NOTICE January 30, 2025: This bulletin is now obsolete. Please see T-SB-0015-25.
- 11014209Jan 29, 2025Some 2021 – 2025 model year Toyota vehicles may require the download and installation of vehicle specific software or configuration software when the Electronic Control Unit…
- 11014193Jan 23, 2025OBSOLETE NOTICE January 23, 2025: This bulletin is now obsolete. Please see T-SB-0011-25.
- 11014190Jan 23, 2025When certain vehicle ECUs are replaced, the ECU Security Key must be written in order for that ECU to communicate on the vehicle network. The GTS+ Software Health Check Results…
- 10248823Dec 21, 2024TI: TECHNICAL INSTRUCTIONS FOR 23TJ01 Second Key Delivery Program Multiple Models and Model Years
Electrical system: other model years
Other parts of the 2023 Toyota BZ4X
5 complaintsOther or unknown
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 30, 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