12v/24v/48v Battery Problems of Toyota Prius

The contact owns a 2016 Toyota Prius. The contact stated while driving at approximately 70 mph, the steering wheel stopped operating and the vehicle began to shut down. The contact stated that a yellow blinking light and a hybrid system malfunction warning light illuminated on the instrument panel. The vehicle was taken to an independent mechanic where it was diagnosed that the hybrid battery was low and there was a failure of the engine wiring harness. The hybrid battery was able to recharge but the dealer stated that the electric wiring harness needed to be replaced. The vehicle was not repaired. A dealer was not contacted. The manufacturer was made aware of the failure. The failure mileage was approximately 159,141.

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The contact owns a 2013 Toyota Prius. The contact stated that after several days of torrential rainfall, the contact noticed there was water in the tire and 12-volt battery compartment. After having a routine oil change at an independent mechanic, while the contact was driving, the vehicle lost power steering functionality. The power steering warning light illuminated after the failure. The driver was able to restart the vehicle and pull over to the side of the road. The contact called roadside assistance and was informed that there was a code for the hybrid battery system that needed to be checked. The contact noticed that water might have entered through the rear passenger’s side brake light. The contact removed the water with a sump pump. The vehicle was towed to an independent mechanic who was unable to assist. The vehicle was towed to the local dealer, but the vehicle was not diagnosed or repaired. The manufacturer was not contacted. The failure mileage was approximately 119,000.

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The contact owns a 2004 Toyota Prius. The contact stated while driving approximately 30 mph the vehicle engine stalled. The contact lost power steering functionality but was able to safely pull off of the road. The contact stated that the "check engine" light and other unknown lights illuminated before the engine stalled after which the dashboard went black. The contact stated that she attempted to restart the vehicle but it would not. The contact had the vehicle towed to her residence and later towed to an independent mechanic. The vehicle was diagnosed and it was determined that a wiring cable connector had melted onto the battery and affected the engine, also the fuel pump needed to be replaced. The vehicle was repaired. The manufacturer had not been informed of the failure. The failure mileage was approximately 83,200.

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