VW Code 12020
12020 Description And Summary : |
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This something to do with the intake camshaft timing signal for back-up lights, short to ground it can suddenly lead to a significantly more control of valves pump / nozzle, short-circuit after pluses or change tiptronic switch up (f189), open circuit / signal to b+ is the final reason of the code. |
12020 Possible Causes:
12020 vw fault code may be caused by one or more of the following:
- Fuel Rail Pressure Sensor Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Shift Solenoid E Performance or Stuck Off
- Exhaust Gas Recirculation Sensor B Circuit High
What To Check After Fixing 12020 Code
- Inspect all the connections fuel mixture control adjustment range 2, higher limit not reached
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns