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VW Code 12604

12604 Description And Summary :

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

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range