2026 Toyota BZ Electrical system Problems
- Complaints
- 14about this part
- Share
- 64%of 22 total for the year
- Median mileage
- 5,000miles
- Trend
- Too newThis model year is less than 4 years old, so a trend is not meaningful yet.
NHTSA recorded 14 complaints about the electrical system of the 2026 Toyota BZ, 64% of the 22 complaints for this model year. Where a mileage was given, the median is 5,000 miles. 2 recall campaigns on record are filed under a similar system.
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.
“When I was driving the car when forward and suddleny heard a pop and I got a shocked and my car went a complete broke down I think EV broke down it almost caused me to get in accident and almost get killed”
NHTSA complaint #11771952, filed 2026-10“I am writing to formally advise Toyota Customer Relations of significant, unresolved performance and safety issues regarding my 2026 Toyota bZ, purchased new on February 14, 2026. Despite having only 976 miles on the odometer, this vehicle is currently demonstrating a battery state of health (SOH) of 82.7% and a maximum range of only 140 miles at 100% charge—even in moderate 40-degree temperatures. Description of Technical Failures: Battery & Range: The vehicle provides a maximum range of 140 miles at full charge. …”
NHTSA complaint #11718231, filed 2026-02“The 12V battery in my 2026 Toyota bZ unexpectedly went dead, leaving the vehicle completely unresponsive. The vehicle could not be powered on or driven. There was no prior warning. Upon google search, there are several posts on websites like reddit and toyota owner forums with reports of the same exact issue.”
NHTSA complaint #11750428, filed 2026-07“The contact owns a 2026 Toyota BZ. The contact stated that while driving, the battery started overheating and the vehicle experienced a slight loss of automotive power. The messages EV System Overheated - Output Power Reduced and Plug in Charging System Malfunction - Visit your Dealer” were displayed. The vehicle was taken to a dealer where it was diagnosed, and the contact was informed that the failure was not duplicated. The manufacturer was notified of the failure. The failure mileage was 5,000.”
NHTSA complaint #11772535, filed 2026-10, 5,000 miles“The 12-volt auxiliary battery system repeatedly discharges itself and has twice left the vehicle completely inoperative: 7/24/2026 (5.58 V at the battery, parked unplugged ~46 hours after the last drive) and 7/28/2026 (5.95 V, failure during an attempt to enter READY to drive). The 12V system controls the contactors connecting the high-voltage traction battery to the drive system; when it collapses the vehicle cannot be started or driven even though the traction pack holds charge. …”
NHTSA complaint #11758090, filed 2026-08Related recalls
- 26V512000Aug 6, 2026Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2026 bZ Woodland vehicles equipped with a tow converter. An electrical short circuit…Covers: Toyota BZ 2026
- 26V393000Jun 18, 2026Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2026 Toyota BZ, Lexus RZ, and Subaru Solterra battery electric vehicles. The electronic…Covers: Toyota BZ 2026, Subaru Solterra 2026, Lexus RZ 2026
Related service bulletins
- 11032489Apr 30, 2026Some 2026 bZ vehicles with head unit version 2199 may exhibit a condition where the audio playback is choppy across all audio sources.
Electrical system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2026 | 14 | 64% |
Other parts of the 2026 Toyota BZ
5 complaintsForward collision avoidance
4 complaintsBrakes
2 complaintsEngine
2 complaintsVisibility (wipers, defrost, mirrors)
2 complaintsAir bags
1 complaintsExterior lighting
1 complaintsFuel system
1 complaintsTransmission and drivetrain
1 complaintsVehicle speed control
1 complaints
← All problems reported for the 2026 Toyota BZ
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