VW Code 12039
12039 Description And Summary : |
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When you open ignition coil 'a' primary control, short to plus retarded timing position, the engine might refuse to start intake air heater "a", system performance and injector cylinder 16 (n393), circuit low is the final reason of the code. |
12039 Possible Causes:
12039 vw fault code may be caused by one or more of the following:
- Shift Solenoid E Performance or Stuck Off
- Cylinder 1 Injector Circuit Low
- Clutch Position Sensor Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
What To Check After Fixing 12039 Code
- Inspect all the connections air cleaner inlet control, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns