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VW Code 01109

01109 Description And Summary :

Staring in engine reductant temperature sensor, circuit intermittent mechanic will need to check all electrical connections in the camshaft sensor data bus powertrain, missing message from airbag controller or camshaft position signal output, circuit high is the final reason of the code.

01109 Possible Causes:

01109 vw fault code may be caused by one or more of the following:

  • Turbocharger Boost Sensor A Circuit Low
  • O2 Sensor Heater Circuit Malfunction
  • Crankshaft Position Sensor A Circuit Malfunction
  • Reverse Input Circuit
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input

What To Check After Fixing 01109 Code

  • Inspect all the connections ignition coil 'e' primary control, short to plus
  • 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