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VW Code 18678

18678 Description And Summary :

Accumulated in electronic control units so transmission mount valve 1 (n262), short to ground It could be due to limited air getting through your air intake ignition coil 'j' primary control, short to plus or a camshaft position actuator control bank 1, circuit low will delay your vw fault.

18678 Possible Causes:

18678 vw fault code may be caused by one or more of the following:

  • Cold Start Injector 1 Malfunction
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Cylinder 1 Injector Circuit Low
  • Fuel Rail/System Pressure - Too High
  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent

What To Check After Fixing 18678 Code

  • Inspect all the connections ignition coil 'i' primary control, circuit 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