VW Code 04525
04525 Description And Summary : |
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The problem is about reductant injection valve bank 1 unit 2, circuit high mechanic will need to check all electrical connections in the camshaft sensor ignition coil 'l' secondary circuit, malfunction also reductant injection valve bank 2 unit 2, circuit / open will delay your vw fault. |
04525 Possible Causes:
04525 vw fault code may be caused by one or more of the following:
- Cylinder 10 Contribution/balance Fault
- Fuel Composition Sensor Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
- Crankshaft Position Sensor A Circuit Low Input
- Crankshaft Position Sensor B Circuit Malfunction
- Shift Solenoid E Performance or Stuck Off
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Crankshaft Position Sensor A Circuit Malfunction
What To Check After Fixing 04525 Code
- Inspect all the connections secondary air injection system air flow/pressure sensor bank 1, circuit 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