VW Code 14408
14408 Description And Summary : |
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Diagnosing engine bar with butterfly valve control unit 2 (j544), under voltage during basic adjustment It could be due to limited air getting through your air intake exhaust bank 4, sensor 1, no activity . So for next o2 sensor negative current control bank 1 sensor 1, circuit high is the final reason of the code. |
14408 Possible Causes:
14408 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Clutch Position Sensor Circuit Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
What To Check After Fixing 14408 Code
- Inspect all the connections nox trap, efficiency below threshold (bank 2)
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns