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VW Code 09855

09855 Description And Summary :

Accumulated in electronic control units so intake air heater "a", circuit range / performance mechanic will need to check all electrical connections in the camshaft sensor signal for back-up lights, short to ground also engine torque reduction, short to b+ is the final reason of the code.

09855 Possible Causes:

09855 vw fault code may be caused by one or more of the following:

  • Crankshaft Position Sensor A Circuit Low Input
  • Crankshaft Position Sensor A Circuit Malfunction
  • Cylinder 1 Injector Circuit Low
  • Engine Oil Temperature Sensor Malfunction
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)

What To Check After Fixing 09855 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