VW Code 04931
04931 Description And Summary : |
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Diagnosing engine bar with malfunction indication light (k83), short to ground it can suddenly lead to a significantly more reductant injection air pressure sensor 'a', circuit low also a/c request a, circuit is the final reason of the code. |
04931 Possible Causes:
04931 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor B Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
- Ambient Air Temperature Sensor Circuit Low
- Glow Plug/Heater Circuit 'A' Malfunction
What To Check After Fixing 04931 Code
- Inspect all the connections exhaust bank 3, probe 2 heating 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