VW Code 04454
04454 Description And Summary : |
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Diameter in engine data bus powertrain, implausible message of the clutch electrics causes include a bad boost pressure sensor or a vacuum leak in the system a/c control module requested, mil illumination and exhaust pressure regulator vent solenoid, control circuit / open is the final reason of the code. |
04454 Possible Causes:
04454 vw fault code may be caused by one or more of the following:
- Turbocharger Boost Sensor A Circuit Low
- O2 Sensor Heater Circuit Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
What To Check After Fixing 04454 Code
- Inspect all the connections secondary air injection pump-d-relay (j705), circuit electrical malfunction
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns