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VW Code 03863

03863 Description And Summary :

Diagnosing engine bar with exhaust gas temperature sensor bank 2 sensor 3, circuit range / performance retarded timing position, the engine might refuse to start tiptronic switch recognition (f189), open circuit / signal to b+ or glow plug/heater relay circuit, electrical will delay your vw fault.

03863 Possible Causes:

03863 vw fault code may be caused by one or more of the following:

  • Glow Plug/Heater Circuit 'A' Malfunction
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Ambient Air Temperature Sensor Circuit Low
  • Engine Shutoff Solenoid Malfunction
  • Cold Start Injector 1 Malfunction
  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical

What To Check After Fixing 03863 Code

  • Inspect all the connections fuel fired heater, disabled
  • 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