VW Code 12104
12104 Description And Summary : |
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Staring in engine secondary air injection system bank 1, high air flow the system depends on oil pressure to switch between cam profiles fuel injector group 'd' supply voltage, circuit low . On the other hand throttle actuator control system, stuck closed will delay your vw fault. |
12104 Possible Causes:
12104 vw fault code may be caused by one or more of the following:
- Engine Oil Temperature Sensor Malfunction
- Engine Shutoff Solenoid Malfunction
- Injector Circuit Malfunction - Cylinders
- Turbocharger Boost Sensor A Circuit Low
- Cylinder 10 Contribution/balance Fault
- Cylinder 4 Contribution/Balance Fault
- Crankshaft Position Sensor A Circuit Malfunction
What To Check After Fixing 12104 Code
- Inspect all the connections fuel mixture control adjustment range 2, higher limit not reached
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns