2012 TOYOTA PRIUS PLUG-IN HYBRID PROBLEMS

Common Complaints and Reliability

• 1. Brake system failure:

  • Check pcs system warning light on, need for new brake booster at 130k miles
    
  • Brakes failed while slowing down, dealership lied about brakes being fine
    
  • Braking issues with hissing sound, lights going off, need for brake booster and pump replacement
    
  • Brake warning light and brake message suddenly activated, brake pedal extended to floorboard
    
  • Stabili-trak, ABS, and other warning lights illuminated, brake pedal failed to respond
    
  • Sudden loss of power and vehicle stalling
    
  • Anti-lock brakes not functioning properly on snow-covered road
    

• 2. Electrical system issues:

  • Car engulfed in fire while parked and charge cord connected
    
  • Headlights burning out frequently
    
  • Hybrid system warning message and PCS system warning message
    
  • Inverter failure causing sudden loss of power
    
  • C1391 code, ABS, brake, and brake skid lights on, no re-gen braking
    

• 3. Door lock actuator failures:

  • Multiple door lock actuator failures, difficulty unlocking doors
    
  • Repeated replacement of driver's door lock actuator needed
    

• 4. Other issues:

  • Engine oil getting to intake manifold, causing various engine problems
    
  • Electronic stability control issues causing car to brake suddenly by itself
    
  • Vehicle went into uncontrollable spin, brakes not responding
    
  • Vehicle moves forward when door is open and brake pedal released, even in drive mode
    
  • Vehicle still moves forward when door is open and brake pedal released, should go into park automatic but does not