RoadVitals

2026 Toyota Bz Problems

Owner-reported complaints filed with NHTSA, grouped by component

Data refreshed

Owner complaintsComplaints are reports submitted to NHTSA by owners and drivers. NHTSA does not verify most reports before publishing them, and a complaint does not establish that a defect exists. Volume is influenced by how many of a vehicle were sold, how long it has been on the road, and how much attention an issue has received.
23
Latest Oct 31, 2026
Components namedHow many of our component categories appear on at least one report for this model year. One report can name several.
9
Crash or fire reportedComplaints whose submitter recorded that a crash or a fire occurred. These are the reporter's own answers on the NHTSA form, not verified findings.
1

What this page shows

Everything below is an owner-reported complaint submitted to NHTSA about the 2026 Toyota Bz, grouped by the component NHTSA recorded on the report. These are not confirmed defects, and they are not recalls. NHTSA does not verify most reports before publishing them, and a category with more reports in it is not evidence that a part is defective.

Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.

Reports by component

Ranked by how many owner reports name each component category

  • Electrical1548.4%
  • Driver assistance412.9%
  • Engine26.5%
  • Fuel system26.5%
  • Visibility26.5%
  • Brakes26.5%
  • Powertrain (other)26.5%
  • Airbags13.2%
  • Exterior lighting13.2%

Percentages are of component mentions. A single complaint can name more than one component, so these do not sum to the total complaint count.

Each component in detail

What the reports in each category say, in the owners' own words

Electrical

Reports naming the electrical system — wiring, battery, charging, control modules, infotainment and electrical accessories.

15
reports

From owner reports, verbatim

The 2026 Toyota BZ XLE PLUS generated some vibration and noise during the driving and it caused the eardrum pressure and discomfort for a short trip of drive like 15-minutes drive. It caused sharp ear pain after a long trip of drive like one-hour drive. The pain would last few hours after the long-trip drive. The same driver drove a different EV car but had no issue at all. Tried to use the earbuds with noise cancellation but it couldn’t stop the ear from hurting during a long trip of drive with 2026 Toyota BZ. Complaint to Toyota dealer about the vibration and noise after purchase the car, some of the sales stated that two of his customers experienced the ear pressure of driving Toyota BZ. They usually have to open the window slightly to release the ear pressure. But not enough details to know how did they feel during a long trip of drive.

NHTSA ID 11774812 · filed Oct 31, 2026

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 ID 11772535 · filed Oct 20, 2026
All 15 reports naming electrical →

Driver assistance

Reports naming forward-collision avoidance, lane keeping, back-over prevention, cruise control and related electronic driver-assistance systems.

4
reports

From owner reports, verbatim

I was involved in an Accident on 9-19-26 as my car hit the car in front of me . I applied brakes however my car did not stop and the collision warning did not activate and the emergency braking system failed . Now my car is totaled and I’m left paying Toyota the difference ! CAR IS DEFECTIVE Approximately 3000 miles

NHTSA ID 11770569 · filed Oct 12, 2026

The contact owns a 2026 Toyota BZ. The contact stated that while driving approximately 75 MPH and attempting to overtake a tractor trailer logging truck, the Forward Collision Avoidance Automatic Emergency Braking activated causing the vehicle abruptly decelerate. The failure was immediately self-corrected and the vehicle operated normally. During the failure the emergency braking warning light was illuminated. The cause of the failure was not yet determined. The manufacturer and local dealer were notified of the failure. The failure mileage was 12,000.

NHTSA ID 11769643 · filed Oct 7, 2026

Too few reports in this category for a page of its own — they appear in the full complaint list.

Engine

Reports naming the engine itself — including stalling, misfires, oil consumption, cooling and internal engine components.

2
reports

From owner reports, verbatim

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 ID 11771952 · filed Oct 18, 2026

Instrument cluster failed to turn on once car is turned on. Speedometer does not display and the electric charge does not display.

NHTSA ID 11746097 · filed Jun 24, 2026

Too few reports in this category for a page of its own — they appear in the full complaint list.

Fuel system

Reports naming fuel storage or delivery — tanks, pumps, lines, injectors and fuel leaks.

2
reports

From owner reports, verbatim

The 2026 Toyota BZ XLE PLUS generated some vibration and noise during the driving and it caused the eardrum pressure and discomfort for a short trip of drive like 15-minutes drive. It caused sharp ear pain after a long trip of drive like one-hour drive. The pain would last few hours after the long-trip drive. The same driver drove a different EV car but had no issue at all. Tried to use the earbuds with noise cancellation but it couldn’t stop the ear from hurting during a long trip of drive with 2026 Toyota BZ. Complaint to Toyota dealer about the vibration and noise after purchase the car, some of the sales stated that two of his customers experienced the ear pressure of driving Toyota BZ. They usually have to open the window slightly to release the ear pressure. But not enough details to know how did they feel during a long trip of drive.

NHTSA ID 11774812 · filed Oct 31, 2026

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. On an 80-mile roundtrip commute, I am forced to drive without cabin heat to ensure I can return home without a mid-trip recharge. Internal diagnostics currently show an 82.7% battery health, which is unacceptable for a vehicle less than a month old. Regenerative Braking: The regeneration system is not functioning properly, failing to recoup energy as designed. Infotainment & Safety: I have experienced consistent Bluetooth disconnections, audio drops during calls, map freezing, and—most concerning—the screen blacking out and resetting while the vehicle is in motion. Social Media Documentation & Peer Reports: Due to the persistent nature of these issues, I have documented my experience on the official "Toyota bZ (2026)" Facebook owner groups. My post has received numerous responses from other owners experiencing similar defects, suggesting a systemic issue rather than an isolated incident.

NHTSA ID 11718231 · filed Feb 16, 2026

Too few reports in this category for a page of its own — they appear in the full complaint list.

Visibility

Reports naming windshields, glass, wipers, defrosters and mirrors.

2
reports

From owner reports, verbatim

The contact owns a 2026 Toyota BZ. The contact stated that the air conditioning system was inoperable while starting the vehicle. The contact stated that while the air conditioning system was activated, the vents failed to blow air immediately. The failure was a recurring failure. The contact was affected by the loss of cool air in humid temperatures and was suffocating from the heat. The dealer was contacted and made aware of the failure. The failure mileage was approximately 1,000.

NHTSA ID 11768615 · filed Oct 2, 2026

Vehicle experienced a catastrophic, terminal 12V auxiliary battery parasitic drain that flatlines the system to 0% while parked, creating a severe safety risk by stripping hazard lights and motive power. This is the 3rd identical electrical collapse within 4 weeks; a late June 12V battery replacement failed. The vehicle was in active daily use, not stored.Held out of service at Kings Toyota since July 6, 2026 (26+ days down). Technicians dismantled the cabin and placed the dashboard in the trunk to trace loops. Management confirmed hardware nonconformities in the Data Communication Module (DCM) and Body Control Module (BCM), which fail to enter sleep mode. Observable proof includes continuous, erroneous telemetry alerts stating windows are down/doors unlocked while fully locked and disassembled in the bay.Modules are on indefinite global backorder due to an inherent manufacturing defect. Parts are restricted likely to feed production and the mass rollout for NHTSA Campaign 26V393.DIAGNOSTIC DETAILS:Local tech efforts are directly guided by Toyota Corporate factory engineers who designed the vehicle, as local techs have never encountered this severe issue.Multiple other identical units are grounded on the dealer lot with identical 12V flatline failures.My vehicle (#XXX) is being used instructively by Toyota Corporate to advance understanding and map out repairs for the other units.To capture evading data, I complied with a request to delete the Toyota app from my iPhone so lead tech [XXX] could intercept these failing module notifications to aid factory engineers.Management confirmed that by design, if the 12V drops below 11V, the high-voltage motive battery is supposed to automatically recharge it. Here, the vehicle fails to initiate the loop, or the motive batteries enter a defensive "protective lockout mode," cutting power transfer and flatlining the car. This could contribute to motive battery failure /lockout if the defect continues to draw 12V battery down. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INF

NHTSA ID 11752772 · filed Jul 25, 2026

Too few reports in this category for a page of its own — they appear in the full complaint list.

Brakes

Reports naming service brakes, the antilock braking system, brake hoses, master cylinders or the parking brake.

2
reports

From owner reports, verbatim

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 ID 11771952 · filed Oct 18, 2026

I was involved in an Accident on 9-19-26 as my car hit the car in front of me . I applied brakes however my car did not stop and the collision warning did not activate and the emergency braking system failed . Now my car is totaled and I’m left paying Toyota the difference ! CAR IS DEFECTIVE Approximately 3000 miles

NHTSA ID 11770569 · filed Oct 12, 2026

Too few reports in this category for a page of its own — they appear in the full complaint list.

Powertrain (other)

Powertrain reports that are not specifically the engine or transmission — driveshafts, axles, transfer cases and differentials.

2
reports

From owner reports, verbatim

The 2026 Toyota BZ XLE PLUS generated some vibration and noise during the driving and it caused the eardrum pressure and discomfort for a short trip of drive like 15-minutes drive. It caused sharp ear pain after a long trip of drive like one-hour drive. The pain would last few hours after the long-trip drive. The same driver drove a different EV car but had no issue at all. Tried to use the earbuds with noise cancellation but it couldn’t stop the ear from hurting during a long trip of drive with 2026 Toyota BZ. Complaint to Toyota dealer about the vibration and noise after purchase the car, some of the sales stated that two of his customers experienced the ear pressure of driving Toyota BZ. They usually have to open the window slightly to release the ear pressure. But not enough details to know how did they feel during a long trip of drive.

NHTSA ID 11774812 · filed Oct 31, 2026

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. On an 80-mile roundtrip commute, I am forced to drive without cabin heat to ensure I can return home without a mid-trip recharge. Internal diagnostics currently show an 82.7% battery health, which is unacceptable for a vehicle less than a month old. Regenerative Braking: The regeneration system is not functioning properly, failing to recoup energy as designed. Infotainment & Safety: I have experienced consistent Bluetooth disconnections, audio drops during calls, map freezing, and—most concerning—the screen blacking out and resetting while the vehicle is in motion. Social Media Documentation & Peer Reports: Due to the persistent nature of these issues, I have documented my experience on the official "Toyota bZ (2026)" Facebook owner groups. My post has received numerous responses from other owners experiencing similar defects, suggesting a systemic issue rather than an isolated incident.

NHTSA ID 11718231 · filed Feb 16, 2026

Too few reports in this category for a page of its own — they appear in the full complaint list.

Airbags

Reports naming the air-bag system — deployment behaviour, inflators, sensors and warning lights.

1
report

From owner reports, verbatim

I was involved in an Accident on 9-19-26 as my car hit the car in front of me . I applied brakes however my car did not stop and the collision warning did not activate and the emergency braking system failed . Now my car is totaled and I’m left paying Toyota the difference ! CAR IS DEFECTIVE Approximately 3000 miles

NHTSA ID 11770569 · filed Oct 12, 2026

Too few reports in this category for a page of its own — they appear in the full complaint list.

Exterior lighting

Reports naming headlights, tail lights, turn signals and other exterior lighting.

1
report

From owner reports, verbatim

I am writing to formally report an unsafe design feature regarding the automatic headlight cleaner/washer system on the 2026 Toyota bZ.The vehicle is programmed to automatically spray windshield washer fluid onto the headlights when the headlights are active and the windshield washer lever is pulled. As a night-shift worker, I frequently operate this vehicle in complete darkness. When the high-pressure fluid sprays over the active headlight lenses, it immediately diffuses the light beam. This causes the forward headlights to dim drastically, rendering them almost completely unusable for several seconds until the water clears.This sudden, unprompted loss of forward visibility at highway speeds creates an immediate and severe driving hazard.Proposed Remedy Request:There is currently no setting available to the driver to turn off or modify this linked behavior. I request that Toyota issue a software update allowing owners an menu option to disable the automatic, windshield-linked headlight washing function so drivers can maintain constant headlight visibility at night.

NHTSA ID 11751216 · filed Jul 17, 2026

Too few reports in this category for a page of its own — they appear in the full complaint list.

Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.

Elsewhere on this vehicle

Data sources

Data on this page last refreshed .