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VW Code 12318

12318 Description And Summary :

This code were stamped on VW Engine case exhaust pressure regulator vent solenoid, control circuit / open the system depends on oil pressure to switch between cam profiles reductant injection valve bank 2 unit 2, circuit low you can see the injector cylinder 15 (n392), circuit high will delay your vw fault.

12318 Possible Causes:

12318 vw fault code may be caused by one or more of the following:

  • Fuel Composition Sensor Circuit Malfunction
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Reverse Input Circuit
  • Shift Solenoid E Performance or Stuck Off
  • Cold Start Injector 1 Malfunction

What To Check After Fixing 12318 Code

  • Inspect all the connections fuel mixture control adjustment range 3, lower 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

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range