Recall
Toyota Prius Prime — 21V734000
NHTSA ID
21V734000
Make
Toyota
Model
Prius Prime
Years Affected
2022
Recall Date
2021-09-22
Component
HYBRID PROPULSION SYSTEM
Units Affected
8,411
Completion Rate
—
Mfr Campaign No.
21TB07 / 21TA07
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.
Consequence
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.