Severity: Moderate
Drivable, but it can cause more damage or poor economy. Get it checked within days.
What P2002 means
The diesel particulate filter is not trapping soot as well as it should. The filter may be cracked or the differential pressure sensor may be wrong.
Symptoms
- Usually none
- Black soot at the tailpipe
Common causes
Most likely first
- 1Cracked or melted DPF
- 2Faulty DPF differential pressure sensor or hoses
How we diagnose it
- Inspect pressure sensor hoses
- Compare differential pressure at idle and load
- Check tailpipe for soot
Every vehicle sets codes under its own conditions. We check the factory diagnostic steps and service bulletins for your VIN, so the repair targets the actual cause.