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Recall 12V536000

The Water Pump May Fail

Recall Details

During manufacturing, a scratch may have occurred inside of the electrically driven water (coolant) pump at the coil wire, resulting in corrosion. The corroded wire may break and the water pump could stop. The corroded coil wire could cause a short circuit in the pump resulting in a blown fuse, creating a stall-like condition of the hybrid system while the vehicle is being driven. This may increase the risk of a vehicle crash. Dealers will replace the electric water pump to correct this concern. 

Our Quick Take

The water pump may fail prematurely resulting in an overheating or stalling condition.

What Should You Do?

Toyota has not yet released a notification schedule for this recall. If you are experiencing symptoms as outlined above, or you don't receive notification and you feel you should have, please contact your dealer. It’s helpful to have your vehicle identification number (VIN) handy when you call.

Engine, November 14, 2012

Original Recall from the NHTSA

Manufacturer's Report Date
November 14, 2012
NHTSA Action Number
N/A
Potential Number of Units Affected
350,662
NHTSA CAMPAIGN ID Number
12V536000
Component
ENGINE AND ENGINE COOLING

Summary
Toyota is recalling certain model year 2004-2009 Prius vehicles manufactured August 6, 2003, through March 30, 2009 and FCHV-adv vehicles manufactured December 12, 2008, through September 13, 2011. During manufacturing, a scratch may have occurred inside of the electrically driven water pump at the coil wire. The coil wire may corrode at the scratched portion.
Consequence
The corroded coil wire may break and the water pump could stop. The corroded coil wire could cause a short circuit between coil wires and a possible open fuse, creating a stall-like condition of the hybrid system while the vehicle is being driven. This may increase the risk of a vehicle crash.
Remedy
Toyota will notify its owners, and dealers will replace the electric water pump, free of charge. The manufacturer has not yet provided a notification schedule. Owners may contact their Toyota dealer or the Toyota Customer Experience Center at 1-800-331-4331.
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