Toyota Prius Repair and Maintenance
A guide to problems, costs, maintenance and repair for your Toyota Prius
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Toyota Prius ProblemsCheck Engine Light Due to Failed Three Way Coolant Control Valve
The Check Engine Light may illuminate with a fault code P1121 stored. It is commonly caused by a failed three way coolant control valve. Valve replacement is recommended if this occurs.
The center multi-function display may failure. This is commonly caused by poorly soldered internal connection. Our technicians tell us that these display panels can be successfully repaired or reconditioned by a shop specializing in such repairs.
The fuel gauge may read incorrectly. A service bulletin has been released by Toyota regarding this concern. The fuel filler pipe or the instrument cluster may need to be replaced to correct this concern.
Toyota Prius Questionsheadlights flickering (1 answer)
What could cause the left head light to come on and off and the right headlight to flicker?
Toyota Prius RecallsSide Curtain Air Bag Inflators Eject Into The Passenger Compartment
The side curtain air bag inflators may crack and fracture. Dealers will install retention brackets to the curtain shield bags free of charge to resolve the concern.
For vehicles equipped with aftermarket accessory seat heaters, the seat heater elements may short circuit when the seat cushion is compressed, and result in a fire hazard. Dealers will disconnect the seat heaters and refund the purchase price of the seat heaters free of charge to resolve the concern,
Sensors on board the vehicle detect the presence of a seated passenger and may not be calibrated correctly. These sensors determine whether the vehicle's airbag systems should be deployed in the event of a crash and may turn them off, causing risk of injury to a passenger. Dealers will recalibrate the vehicle's passenger sensors free of charge.