NHTSA campaign 21V734000
Toyota Motor Engineering & Manufacturing recall 21V734000
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2022 Prius and Prius Prime vehicles. The Engine Control Unit (ECU) software may falsely detect an error and shut down the hybrid system, causing a loss of drive power.
Reported 09/22/2021
What can happen
A loss of drive power increases the risk of a crash.
Repair
Dealers will update the ECU software, free of charge. Owner notification letters were mailed November 18, 2021. Owners may contact Toyota customer service at 1-800-331-4331. Toyota's number for this recall is 21TB07/21TA07.
Components
- Engine and engine cooling: Engine: Engine control module (ecu/ecm): Software
- Hybrid propulsion system
Affected years and models
A listed year and model does not mean every vehicle in that group is recalled. Use the VIN lookup to confirm a specific vehicle.