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Toyota Recalls bZ4X Electric Vehicles Over System Failure Risk
Toyota recalled 4,808 bZ4X electric vehicles produced between September 2025 and February 2026 due to a drive battery control computer malfunction that could cause system shutdown and driving inability. The issue affects the ARZ350e and ARZ500e variants, and Toyota is working with Subaru to implement a software fix through battery control computer reprogramming.
Quick Facts
Who
Toyota
What
Recall of bZ4X electric vehicles
When
June 18, 2026
Where
Japan
- Recall of bZ4X electric vehicles
- Drive battery control computer initialization program malfunction
- Vehicle system shutdown and driving failure under certain conditions
- Reprogramming of battery control computers
- Toyota
Toyota announced a recall of its bZ4X electric vehicle on June 18, 2026, due to potential system failures that could cause the vehicle to stop and become unable to drive under certain conditions. The recall affects 4,808 vehicles produced between September 3, 2025, and February 3, 2026, including specific variants: 4,555 units of the ARZ350e model and 54 units of the ARZ500e model. An additional 48 units of the bZ4X and 151 units of a related system component are also affected.
The technical issue stems from a malfunction in the drive battery control computer's initialization program. Under specific conditions, the battery may not be properly recognized during startup, preventing the battery from charging and discharging correctly. This leads to a loss of driving power and renders the vehicle unable to operate. Toyota is conducting an investigation into the root cause of the failure.
Toyota is working with Subaru, its OEM partner on the bZ4X platform, to address the issue and implement a solution. The company has not yet disclosed specific details about the scope of the investigation or the timeline for repairs. As a precautionary measure, all affected vehicles' drive battery control computers will be reprogrammed to resolve the initialization program error and restore normal operation.
Why This Matters
This recall directly impacts vehicle safety and reliability for thousands of bZ4X owners who face potential loss of power while driving. The software-based solution allows for efficient remote or dealership repairs, but the delay in disclosure of repair timelines creates uncertainty for affected customers. For Toyota and Subaru, this highlights quality control challenges in EV platform development and underscores the importance of rigorous battery system testing before market release.
Timeline & Sources
Sep 3, 2025
WireProduction of affected bZ4X vehicles begins
Feb 3, 2026
WireProduction of affected bZ4X vehicles ends
Jun 18, 2026
WireToyota announces recall of bZ4X electric vehicles due to system failure risk