As part of a larger global action, Toyota Motor Sales announced a voluntary recall of approximately 700,000 model-year 2010-2014 Prius vehicles in the U.S. to update the motor/generator control ECU and hybrid control ECU software on certain models. While there have been no reported incidents connected to this issue, Toyota stated that current software settings could create a “thermal stress” condition which could potentially damage some transistors. Under most circumstances, that situation would illuminate warning lights and put the vehicle into a ‘fail-safe” mode. However, in rare cases, the entire hybrid system could shut down and bring the car to a stop.
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Toyota also issued a voluntary recall on approximately 260,000 additional 2012 Toyota RAV4, 2012-2013 Toyota Tacoma, and 2012-2013 Lexus RX 350 models in America for an updating of their skid control ECU software to prevent the intermittent shutdown of their Vehicle Stability Control, Anti-lock Brake, and Traction Control systems. Here too, no accidents or injuries have been reported and Toyota notes that even if those systems become inoperative, standard braking remains fully functional.
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Owners of all affected vehicles will be notified by mail when they can visit their local Toyota/Lexus dealers to have the software updated free of charge. Additional information is available at www.toyota.com/recall and www.lexus.com/recall or by calling 1-800-331-4331 (Toyota) or 1-800-255-3987 (Lexus).
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