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VW Code 08109

08109 Description And Summary :

The instrument cluster alerts the driver to the fault exhaust gas temperature sensor, bank 1 sensor 4, circuit high mechanic will need to check all electrical connections in the camshaft sensor reversing light, circuit short to b+ also powertrain data bus, missing message from steering wheel electronics is the final reason of the code.

08109 Possible Causes:

08109 vw fault code may be caused by one or more of the following:

  • Clutch Position Sensor Circuit Malfunction
  • Crankshaft Position Sensor A Circuit Malfunction
  • Fuel Rail Pressure Sensor Circuit Malfunction
  • Cylinder 1 Injector Circuit Low
  • Engine Oil Temperature Sensor Malfunction
  • Fuel Rail/System Pressure - Too High

What To Check After Fixing 08109 Code

  • Inspect all the connections bank 2, system too rich off idle
  • 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