Recall 21V-734: 2022 Toyota Prius, 2022 Toyota Prius Prime
Toyota Motor Engineering & Manufacturing recall for hybrid propulsion system, reported to NHTSA on Sep 22, 2021, covering about 8,411 vehicles.
The problem
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.
The risk
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.
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.
Recall details
| Manufacturer | Toyota Motor Engineering & Manufacturing |
|---|---|
| Component | Hybrid Propulsion System Engine and Engine Cooling › Engine › Engine Control Module (Ecu/Ecm) › Software |
| Recall started by | the manufacturer |
| NHTSA campaign number | 21V734000 |
Vehicles in this recall
Not every vehicle of these model years is included. Enter your VIN at nhtsa.gov/recalls ↗ or ask a dealer.
Frequently asked questions
What is recall 21V-734?
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.
How is recall 21V-734 fixed?
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.
Is the recall repair free?
Yes. Safety recall repairs are free at authorized dealers. Check whether your vehicle is included with its VIN at nhtsa.gov/recalls.