VW Code 04157
04157 Description And Summary : |
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When you open relays for electrical fuel pump 2 (j49), interruption/short-circuit after mass retarded timing position, the engine might refuse to start data bus powertrain, implausible message of the a/c control module also 'b' rocker arm actuator system, stuck on is the final reason of the code. |
04157 Possible Causes:
04157 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Low Input
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Reverse Input Circuit
- O2 Sensor Heater Circuit Malfunction
What To Check After Fixing 04157 Code
- Inspect all the connections coolant pump control, circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns