DPF Efficiency Below Threshold
What does MAXXFORCE-P2002-13 mean?
The MAXXFORCE-P2002-13 (MaxxForce) diesel fault code means: DPF Efficiency Below Threshold. This is a serious severity code.
Common Symptoms
- CEL
- Derate
- Frequent regens
Probable Causes (Ranked by Likelihood)
- DPF ash loaded Very Likely
- DOC degraded Likely
Step-by-Step Diagnostic Procedure
Perform forced regen.
Remove for cleaning if efficiency remains low.
Replace DOC if thermally damaged.
Frequently Asked Questions
What is P2002 on a MaxxForce 13 (12.4L)?
P2002 on a MaxxForce 13 (12.4L) (2008-2014) indicates: DPF Efficiency Below Threshold. This is a known fault code on the MaxxForce engine family and typically points to the causes listed above.
Can I drive with P2002 on my MaxxForce?
Only drive short distances to reach a repair facility. Continued operation may cause further damage or progressive derate.
How much does it cost to fix MaxxForce P2002?
Repair cost is typically $1,000-$5,000 depending on the underlying cause and shop rate. Many MaxxForce faults (especially EGR cooler, head bolt, and VGT repairs) are major expenses that drove fleet owners to repower with Cummins or retire these trucks early.