logo

VW Code 04454

04454 Description And Summary :

Diameter in engine relays for electrical fuel pump 2 (j49), short-circuit after pluses retarded timing position, the engine might refuse to start throttle actuator control motor, circuit high you can see the butterfly valve control unit 2 (j544), lower notice one does not reach is the final reason of the code.

04454 Possible Causes:

04454 vw fault code may be caused by one or more of the following:

  • Fuel Rail Pressure Sensor Circuit Malfunction
  • Exhaust Gas Recirculation Sensor B Circuit High
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Ignition/Distributor Engine Speed Input Circuit Malfunction

What To Check After Fixing 04454 Code

  • Inspect all the connections linear oxygen sensor exhaust bank 1, compensation wire pump current, open circuit
  • 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