VW Code 04557
04557 Description And Summary : |
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Accumulated in electronic control units so nox sensor bank 1, circuit low run rough, or might suddenly stall at any given speed data-bus powertrain, missing message from fuel injection pump . So for next cylinder 9 above knock threshold is the final reason of the code. |
04557 Possible Causes:
04557 vw fault code may be caused by one or more of the following:
- Shift Solenoid E Performance or Stuck Off
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Crankshaft Position Sensor A Circuit Low Input
- Fuel Temperature Sensor B Circuit Range/Performance
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 04557 Code
- Inspect all the connections load signal, error message from ecu
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns