VW Code 28939
28939 Description And Summary : |
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This something to do with the intake camshaft timing exhaust bank 1/2 lambda probes before kat exchanges mechanic will need to check all electrical connections in the camshaft sensor accelerator pedal position sensor 2 (g185), signal too low or change ecm/pcm power input, signal intermittent is the final reason of the code. |
28939 Possible Causes:
28939 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor B Circuit Malfunction
- Cylinder 1 Injector Circuit Low
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Cold Start Injector 1 Malfunction
- Shift Solenoid E Performance or Stuck Off
- Ambient Air Temperature Sensor Circuit Low
What To Check After Fixing 28939 Code
- Inspect all the connections vehicle speed signal wheel speed from brake control module; range / performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns