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NHTSA Recall 21V734000

ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARESep 22, 2021· Toyota Motor Engineering & Manufacturing

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.

Affected Vehicles

YearMakeModel
2022ToyotaPrius
2022ToyotaPrius Prime

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Helpful Guides

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