NHTSA recall campaign
21V734000
ManufacturerToyota Motor Engineering & ManufacturingReported2021-09-22Affected8,411 vehicles
What was wrong
Defect
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.
Risk
A loss of drive power increases the risk of a crash.
Manufacturer 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.
To check whether your specific VIN is covered and to find a participating dealer, look this campaign up on NHTSA.gov →