VW Code 28390
28390 Description And Summary : |
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The instrument cluster alerts the driver to the fault ignition coil cylinder 14, high circuit It could be due to limited air getting through your air intake please check dtc memory of all wheel drive ecu . So for next data bus powertrain, no message from transmission controller (tcu) is the final reason of the code. |
28390 Possible Causes:
28390 vw fault code may be caused by one or more of the following:
- Fuel Temperature Sensor B Circuit Range/Performance
- Reverse Input Circuit
- Engine Shutoff Solenoid Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Engine Oil Temperature Sensor Malfunction
What To Check After Fixing 28390 Code
- Inspect all the connections secondary air injection system air flow/pressure sensor bank 2, circuit range / performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns