Toyota Prius owners have reported 1 problem related to anti-theft controller (under the electrical system category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Toyota Prius based on all problems reported for the Prius.
Driving north on i75 at approximately 65 mph. The gas gauge had 3 bars illuminated. The vsc warning light and the red triangle with the exclamation point came on. I lost the ability to accelerate and the car suddenly went dead. Luckily I was able to make to relative safety on the side to interstate. The car was towed to a dealer who said the car ran out gas! they also said that the "fuel register unit was operating as designed. " how was that possible? the charge? over $1200! according to Toyota corporate and the dealership, repeated unsuccessful attempts to start the car will, by design, cause irreparable damage to the ecu code id box which can cost $1200 - $1800 to replace. This "design" is apparently in the name of anti-theft protection. (why not just immobilize the car instead of partial self-destruction?) even given the high extent and documented history of gas gauge display malfunctions and many other related electrical problems, Toyota corporate would offer no financial assistance, no reimbursement of any portion of the repair. This is the second time the car has lost all power in the middle of heavy traffic. That time, 08/09/10, the water pump failed. Subsequent to that, I received a recall notice to replace the water pump.
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