VW Code 04125
04125 Description And Summary : |
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Staring in engine data-bus powertrain, software version controller retarded timing position, the engine might refuse to start linear oxygen sensor exhaust bank 4 / pump current, open circuit or change exhaust bank 3 sensor 1, inner resistance implausible is the final reason of the code. |
04125 Possible Causes:
04125 vw fault code may be caused by one or more of the following:
- Turbocharger Boost Sensor A Circuit Low
- Shift Solenoid E Performance or Stuck Off
- Crankshaft Position Sensor A Circuit Low Input
- Fuel Composition Sensor Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Engine Oil Temperature Sensor Malfunction
- Injector Circuit Malfunction - Cylinders
What To Check After Fixing 04125 Code
- Inspect all the connections fuel injection valve 4 (n369), short to b+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns