Toyota recall: Hybrid propulsion system
What is wrong
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.
What could happen
A loss of drive power increases the risk of a crash.
The fix
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.
Vehicles covered
- Toyota Prius 2022
- Toyota Prius Prime 2022
Facts
- NHTSA recall number
- 21V734000
- Type
- Vehicle
- Filed by
- Toyota Motor Engineering & Manufacturing
- Reported to NHTSA
- Sep 22, 2021
- Owners notified
- Nov 18, 2021
- Vehicles or items affected
- 8,411
- Started by
- The manufacturer
- Built
- –
- Part
- Hybrid propulsion system; Engine and engine cooling › Engine › Engine control module (ECU/ECM) › Software
- Maker's own recall number
- 21TB07 / 21TA07
Notes
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.
Other recalls for the same vehicles
- Toyota recall: Electrical system Jan 28, 2026
- Lexus / Subaru / Toyota recall: Back over prevention Oct 30, 2025
- Toyota recall: Equipment Jul 23, 2024
- Toyota recall: Electrical system Apr 17, 2024
- Lexus / Toyota recall: Service brakes Jul 24, 2019
- Toyota recall: Hybrid propulsion system Jun 24, 2020
To check one car, enter its 17-character VIN on the official NHTSA page: a recall may cover only some vehicles of a model year.
Recall data: National Highway Traffic Safety Administration (NHTSA). Nebula is not affiliated with or endorsed by NHTSA.