NHTSA recall 21V734000
Engine and engine cooling › Engine › Engine control module (ecu/ecm) › Software
Toyota Prius and 1 more
Reported Sep 22, 20218,411 vehicles affectedToyota Motor Engineering & ManufacturingMaker’s number 21TB07 / 21TA07
The 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.
The risk
A loss of drive power increases the risk of a crash.
The 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.
Engine and engine cooling › Engine › Engine control module (ecu/ecm) › SoftwareHybrid propulsion system