VW Code 11939
11939 Description And Summary : |
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Accumulated in electronic control units so exhaust bank 1 sensor 1 o2 sensor signal, implausibly rich retarded timing position, the engine might refuse to start exhaust bank 3 sensor 1 oxygen sensor signal, implausibly lean . So for next engine coolant bypass valve, control circuit low is the final reason of the code. |
11939 Possible Causes:
11939 vw fault code may be caused by one or more of the following:
- Turbocharger Boost Sensor A Circuit Low
- Exhaust Gas Recirculation Sensor B Circuit High
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Glow Plug/Heater Circuit 'A' Malfunction
- Injector Circuit Malfunction - Cylinders
What To Check After Fixing 11939 Code
- Inspect all the connections exhaust bank 4, sensor 2 heater circuit, short-circuit after pluses
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns