Recall 21V734000: 2022 Toyota Prius, 2022 Toyota Prius Prime

Updated from NHTSA data · How we count

Report date
Sep 22, 2021
Vehicles affected
8,411
Models
2
Initiated by
Manufacturer

The problem

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 fix

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.

Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

Affected vehicles

  • 2022 Toyota Prius
  • 2022 Toyota Prius Prime

Details

NHTSA campaign
21V734000
Manufacturer campaign
21TB07 / 21TA07
Manufacturer
Toyota Motor Engineering & Manufacturing
Owner letters
Nov 18, 2021
Components
Engine and engine cooling:engine:engine control module (ecu/ecm):software (Engine); Hybrid propulsion system (Fuel, Hybrid & EV Propulsion)

Recall repairs are free at authorized dealers. To see if your vehicle is included, enter your VIN at NHTSA.gov or call the manufacturer.

Source: U.S. National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation public data. Complaints are submitted by owners and are not verified by NHTSA or by us; a complaint does not prove a defect exists. Methodology