VW Code 12604
12604 Description And Summary : |
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When you open accelerator pedal position sensor 2 (g185), signal too high the system depends on oil pressure to switch between cam profiles evaporative emission system leak detection pump control, circuit / open also transmission control unit, incorrect coded will delay your vw fault. |
12604 Possible Causes:
12604 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
What To Check After Fixing 12604 Code
- Inspect all the connections nox trap, efficiency below threshold (bank 2)
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns