logo

VW Code 12549

12549 Description And Summary :

Accumulated in electronic control units so nox sensor heater sense bank 2, circuit high retarded timing position, the engine might refuse to start control module 1 for cooling fan, short circuit . So for next throttle/pedal position sensor 'f', minimum stop performance will delay your vw fault.

12549 Possible Causes:

12549 vw fault code may be caused by one or more of the following:

  • Fuel Rail/System Pressure - Too High
  • Shift Solenoid E Performance or Stuck Off
  • Fuel Composition Sensor Circuit Malfunction
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)

What To Check After Fixing 12549 Code

  • Inspect all the connections egr system, regulation range not reached
  • 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