NHTSA 21V734000Manufacturer no. 21TB07 / 21TA07
Engine And Engine Cooling › Engine › Engine Control Module (Ecu/ECM) › Software
- Report received by NHTSA
- September 22, 2021
- Owner notification
- November 18, 2021
- Recall initiated by
- Manufacturer
- Units potentially affected
- 8,411 (whole campaign)
- Model names in the NHTSA record
- PRIUS, PRIUS PRIME
Components: Engine And Engine Cooling › Engine › Engine Control Module (Ecu/ECM) › Software; Hybrid Propulsion System
Defect summary
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.
Safety risk
A loss of drive power increases the risk of a crash.
Remedy
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.
Notes in the NHTSA record
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Source: NHTSA recall 21V734000, filed by Toyota Motor Engineering & Manufacturing. View the campaign on NHTSA.gov