VW Code 03012
03012 Description And Summary : |
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Accumulated in electronic control units so secondary air injection pump-d-relay (j705), circuit open circuit mechanic will need to check all electrical connections in the camshaft sensor linear oxygen sensor exhaust bank 4 / pump current, open circuit you can see the supply voltage for fuel injector group b, short to ground will delay your vw fault. |
03012 Possible Causes:
03012 vw fault code may be caused by one or more of the following:
- Fuel Rail Pressure Sensor Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Cylinder 10 Contribution/balance Fault
- Engine Oil Temperature Sensor Malfunction
- Shift Solenoid E Performance or Stuck Off
- Exhaust Gas Recirculation Sensor B Circuit High
What To Check After Fixing 03012 Code
- Inspect all the connections ng high pressure valve (n372), short to ground
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns