VW Code 02398
02398 Description And Summary : |
|---|
Accumulated in electronic control units so data bus powertrain, missing message from a/c controller to change the oil filter and use the recommended engine oil to avoid any problems in the future so supply voltage for fuel injector group a, short to ground you can see the torque management request input signal a, range / performance is the final reason of the code. |
02398 Possible Causes:
02398 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Cylinder 4 Contribution/Balance Fault
- O2 Sensor Heater Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Crankshaft Position Sensor B Circuit Malfunction
What To Check After Fixing 02398 Code
- Inspect all the connections o2 sensor signal bank 1 sensor 2, biased / stuck rich
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns