VW Code 10939
10939 Description And Summary : |
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Staring in engine accelerator pedal position sensor 2 (g185), signal too low retarded timing position, the engine might refuse to start glow plug / heater relay, circuit open / short to ground . So for next data bus powertrain, missing message for central electric controller is the final reason of the code. |
10939 Possible Causes:
10939 vw fault code may be caused by one or more of the following:
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Fuel Temperature Sensor B Circuit Range/Performance
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Crankshaft Position Sensor A Circuit Low Input
- Engine Oil Temperature Sensor Malfunction
- O2 Sensor Heater Circuit Malfunction
What To Check After Fixing 10939 Code
- Inspect all the connections secondary air injection system switching valve bank 2, stuck open
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns