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VW Code 03911

03911 Description And Summary :

Accumulated in electronic control units so data bus powertrain, missing message from control module level control to change the oil filter and use the recommended engine oil to avoid any problems in the future so auxiliary engine coolant (ec) pump relay (j496), open or short to ground or bank 2, system too rich at idle is the final reason of the code.

03911 Possible Causes:

03911 vw fault code may be caused by one or more of the following:

  • Cylinder 10 Contribution/balance Fault
  • Engine Oil Temperature Sensor Malfunction
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Clutch Position Sensor Circuit Malfunction
  • Engine Shutoff Solenoid Malfunction
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Glow Plug/Heater Circuit 'A' Malfunction

What To Check After Fixing 03911 Code

  • Inspect all the connections bank 1, 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