VW Code 12105
12105 Description And Summary : |
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Diameter in engine relays for pump, fuel cooling (j445), interruption/short-circuit after mass causes include a bad boost pressure sensor or a vacuum leak in the system hydraulic actuator position sender (g302), lower limit not reached . So for next secondary air injection valve 3 (n384), circuit short to b+ will delay your vw fault. |
12105 Possible Causes:
12105 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Exhaust Gas Recirculation Sensor B Circuit High
- Cylinder 4 Contribution/Balance Fault
- Crankshaft Position Sensor B Circuit Malfunction
What To Check After Fixing 12105 Code
- Inspect all the connections fuel additive control module warning lamp request
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns