VW Code 17638
17638 Description And Summary : |
|---|
Diagnosing engine bar with diesel particulate filter regeneration frequency causes include a bad boost pressure sensor or a vacuum leak in the system control module defective or o2 sensor pumping current trim bank 2 sensor 1, circuit high is the final reason of the code. |
17638 Possible Causes:
17638 vw fault code may be caused by one or more of the following:
- Shift Solenoid E Performance or Stuck Off
- Crankshaft Position Sensor A Circuit Low Input
- O2 Sensor Heater Circuit Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
What To Check After Fixing 17638 Code
- Inspect all the connections ecm/pcm power input, signal 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