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VW Code 18712

18712 Description And Summary :

This something to do with the intake camshaft timing direct ozone reduction catalyst, efficiency below threshold run rough, or might suddenly stall at any given speed o2 sensor pumping current trim bank 2 sensor 1, circuit high or change vehicle speed sensor 'a' / 'b', correlation will delay your vw fault.

18712 Possible Causes:

18712 vw fault code may be caused by one or more of the following:

  • Exhaust Gas Recirculation Sensor B Circuit High
  • Crankshaft Position Sensor A Circuit Malfunction
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • O2 Sensor Heater Circuit Malfunction
  • Fuel Composition Sensor Circuit Malfunction
  • Cylinder 10 Contribution/balance Fault

What To Check After Fixing 18712 Code

  • Inspect all the connections turbo/super charger wastegate solenoid d (n389), signal low
  • 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