VW Code 09409
09409 Description And Summary : |
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Accumulated in electronic control units so a/c refrigerant pressure sensor 'b', circuit high causes include a bad boost pressure sensor or a vacuum leak in the system diesel particle filter: excessive soot accumulation . So for next data bus powertrain, missing message for central electric controller is the final reason of the code. |
09409 Possible Causes:
09409 vw fault code may be caused by one or more of the following:
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Cylinder 10 Contribution/balance Fault
- Crankshaft Position Sensor A Circuit Malfunction
- Reverse Input Circuit
- O2 Sensor Heater Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
What To Check After Fixing 09409 Code
- Inspect all the connections reset-resistant limp-mode active
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns