A loss of drive power increases the risk of a crash.

Engine And Engine Cooling — Engine — Engine Control Module (Ecu/Ecm) — Software
Hybrid Propulsion System

Date Announced
SEP 22, 2021
Vehicles Affected
8,411
Toyota Recall #
21TB07 / 21TA07
NHTSA Campaign #
21V734000
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.
Actions
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.
Documents (8)