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VW Code 03811

03811 Description And Summary :

Accumulated in electronic control units so turbocharger / supercharger boost system performance causes include a bad boost pressure sensor or a vacuum leak in the system injector control pressure, erratic you can see the 'a rocker arm actuator control, circuit / open is the final reason of the code.

03811 Possible Causes:

03811 vw fault code may be caused by one or more of the following:

  • Cylinder 1 Injector Circuit Low
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Exhaust Gas Recirculation Sensor B Circuit High
  • Ignition Coil A Primary/Secondary Circuit Malfunction

What To Check After Fixing 03811 Code

  • Inspect all the connections transmission control unit relay, malfunction
  • 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