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Recall 18V684000

Hybrid System Shuts Down Causing Vehicle Stall

Recall Details

The Intelligent Power Module (IPM) may have excessive voltage within the inverter, causing the hybrid system to shut down and the vehicle to stall. Dealers will update the software for the motor / generator control electronic control unit (ECU) and the hybrid control ECU as necessary free of charge to resolve the concern.

Our Quick Take

The hybrid system of the vehicle can shut down causing the vehicle to stall. This is because there may be excessive voltage in the intelligent power module (IPM), part of the hybrid system. If the hybrid system shuts down unexpectedly, it increases the risk of an accident.

What Should You Do?

Recall repairs on your Toyota must be performed by a Toyota dealership. Toyota will notify known owners of affected vehicles beginning in October, 2018. If you do not receive a notification, but wish to check to see if your vehicle is included, please contact one of your local Toyota dealerships. They will also check for any other incomplete recalls on your vehicle. For best results, be prepared to provide your Vehicle Identification Number (VIN) to the service department consultant you speak with. The Toyota recall number is J0V.

Electrical & Lights, October 04, 2018

Original Recall from the NHTSA

Manufacturer's Report Date
October 04, 2018
NHTSA Action Number
N/A
Potential Number of Units Affected
807,329
NHTSA CAMPAIGN ID Number
18V684000
Component
HYBRID PROPULSION SYSTEM
Summary
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2010-2014 Toyota Prius and 2012-2014 Toyota Prius V vehicles. Excessive voltage in the Intelligent Power Module (IPM) within the inverter may cause the hybrid system to shut down, causing the vehicle to stall while being driven.
Consequence
If the hybrid system shuts down unexpectedly, it can increase the risk of a crash.
Remedy
Toyota will notify owners, and dealers will update the software for the motor/generator control electronic control unit (ECU) and the hybrid control ECU as necessary, free of charge. Interim notices informing owners of the safety risk are expected to begin October 22, 2018. Owners will receive a second notice when the remedy becomes available. Owners may contact Toyota customer service at 1-888-270-9371. Toyota's number for this recall is J0V. Note: The software updates in this recall are needed even if the vehicle had the software previously updated under recalls 14V-053 or 15V-449.
Notify
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.safercar.gov.
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Recall data provided by the National Highway Traffic Safety Administration