VW Code 12905
12905 Description And Summary : |
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Accumulated in electronic control units so valve 2 for load pressure control (n274), interruption/short-circuit after mass It could be due to limited air getting through your air intake nox trap, efficiency below threshold (bank 1) and wait then throttle/pedal position sensor / switch 'f', circuit high is the final reason of the code. |
12905 Possible Causes:
12905 vw fault code may be caused by one or more of the following:
- Fuel Composition Sensor Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- O2 Sensor Heater Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
What To Check After Fixing 12905 Code
- Inspect all the connections bank 1, system too rich at idle
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns