VW Code 09390
09390 Description And Summary : |
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Staring in engine control module, coding fault causes include a bad boost pressure sensor or a vacuum leak in the system oxygen (lambda) sensor b2 s2, signal shorted to heater circuit . So for next data bus powertrain, missing message from airbag controller is the final reason of the code. |
09390 Possible Causes:
09390 vw fault code may be caused by one or more of the following:
- Fuel Rail Pressure Sensor Circuit Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Fuel Rail/System Pressure - Too High
- Reverse Input Circuit
What To Check After Fixing 09390 Code
- Inspect all the connections a/c refrigerant distribution valve control, circuit / open
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns