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VW Code 12809

12809 Description And Summary :

Accumulated in electronic control units so signal for back-up lights, open run rough, or might suddenly stall at any given speed 'b' rocker arm actuator control, circuit high . So for next fuel tank pressure (ftp) sensor (g400), open circuit is the final reason of the code.

12809 Possible Causes:

12809 vw fault code may be caused by one or more of the following:

  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Cold Start Injector 1 Malfunction
  • Engine Shutoff Solenoid Malfunction
  • Fuel Composition Sensor Circuit Malfunction
  • Shift Solenoid E Performance or Stuck Off
  • Fuel Rail/System Pressure - Too High
  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical

What To Check After Fixing 12809 Code

  • Inspect all the connections exhaust bank 3 oxygen sensor correction behind catalyst, rich control limit exceeded
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range