Multi-code OBD2 diagnosis
Enter all the codes your scanner showed, not just the first one. We give you the overall severity, whether you can keep driving, the order in which to check them and how they relate to each other.
Summary
- Overall severity
- High
- Can I keep driving?
- Yes, but with caution
- Estimated cost
- $50 to $2,500
- Codes analyzed
- 1 of 1
The order below is the recommended one: first the codes that can cause the others. After each repair, clear the codes and check which ones come back.
Order of inspection
P2003 Diesel Particulate Filter Efficiency Below Threshold (Bank 2) High
The P2003 code means the bank 2 diesel particulate filter is not trapping soot as it should. The filter may be cracked, punctured or missing. You can drive with caution toward the shop, because a filter that cannot regenerate ends up in limp mode.