VW Code 12809
12809 Description And Summary : |
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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