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Recall 15V449000

Hybrid System Cuts Power Or Shuts Down

Recall Details

The hybrid inverter assembly may overheat, resulting in the hybrid system entering a "limp-home" mode or shutting down altogether. Dealers will update the software for the motor/generator control electronic unit and the hybrid control unit free of charge to resolve the concern.

Our Quick Take

The hybrid propulsion system may reduce power output or in some cases shut down hybrid operation altogether, resulting in the vehicle entering a "limp-home" mode which would reduce power and driving distance, or shut down the vehicle altogether. This would increase risk of an accident.

What Should You Do?

Recall repairs on your Toyota must be performed by a Toyota dealership. Toyota began notifying known owners of affected vehicles beginning in July, 2015. If you did 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 uncompleted recalls on your vehicle. For best results, be prepared to provide your Vehicle Identification Number (VIN) to the service department consultant you speak with.

Electrical & Lights, July 15, 2015

Original Recall from the NHTSA

Manufacturer's Report Date
July 15, 2015
NHTSA Action Number
N/A
Potential Number of Units Affected
108,624
NHTSA CAMPAIGN ID Number
15V449000
Component
HYBRID PROPULSION SYSTEM
Summary
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain model year 2012-2014 Prius V vehicles manufactured August 22, 2011, to June 30, 2014. A component within the hybrid inverter assembly may overheat, causing the hybrid system to reduce output power allowing the vehicle to only drive a short distance. In some circumstances, the hybrid system may shut down causing the vehicle to stop while being driven.
Consequence
The vehicle may enter a fail-safe/limp-home mode that limits the drivability of the vehicle. The hybrid system could also shut down completely resulting in a vehicle stall, increasing the risk of a crash.
Remedy
Toyota will notify owners, and dealers will update the software for the motor/generator control electronic control unti (ECU) and the hybrid control ECU, free of charge. The recall is expected to begin in late July 2015. Owners may contact Toyota customer service at 1-888-270-9371.
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