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VW Code 03906

03906 Description And Summary :

Accumulated in electronic control units so ignition coil cylinder 14, open circuit the system depends on oil pressure to switch between cam profiles load signal from alternator terminal df, open or short to b+ you can see the diesel particulate filter differential pressure too high bank 2 is the final reason of the code.

03906 Possible Causes:

03906 vw fault code may be caused by one or more of the following:

  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Crankshaft Position Sensor A Circuit Malfunction
  • O2 Sensor Heater Circuit Malfunction
  • Crankshaft Position Sensor B Circuit Malfunction
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input

What To Check After Fixing 03906 Code

  • Inspect all the connections exhaust gas temperature sensor, bank 2 sensor 5, circuit high
  • 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