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VW Code 10939

10939 Description And Summary :

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

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range