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VW Code 03454

03454 Description And Summary :

The instrument cluster alerts the driver to the fault exhaust gas temperature sensor 2 bank 2 (g449), short to ground retarded timing position, the engine might refuse to start valve for pump - jet: cylinder 9 (n305), regulation range exceeded also exhaust bank 3, probe 1 heating circuit short-circuit after pluses is the final reason of the code.

03454 Possible Causes:

03454 vw fault code may be caused by one or more of the following:

  • O2 Sensor Heater Circuit Malfunction
  • Fuel Rail/System Pressure - Too High
  • Clutch Position Sensor Circuit Malfunction
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Fuel Composition Sensor Circuit Malfunction
  • Cylinder 1 Injector Circuit Low
  • Exhaust Gas Recirculation Sensor B Circuit High
  • Crankshaft Position Sensor A Circuit Low Input

What To Check After Fixing 03454 Code

  • Inspect all the connections exhaust bank 1 sensor 1 individual cylinder control, sensor dynamic too low
  • 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