P2002Medium urgency
Diesel Particulate Filter Efficiency Below Threshold (Bank 1)
Emission · DPF System
⚠️ Fix soon — DPF is clogged and needs regeneration.
What this means
The diesel particulate filter (DPF) is below the minimum efficiency threshold.
Likely causes
- DPF clogged from short-trip city drivingMost common
- Failed DPF temperature sensorCommon
- EGR system fault causing excessive sootCommon
- Low-quality diesel fuelLess common
Estimated repair cost
Forced DPF regeneration (dealer)$300 – $700
DPF cleaning service$200 – $500
DPF replacement (if destroyed)$1,500 – $4,000
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Frequently asked questions about P2002
What does P2002 mean?
The diesel particulate filter (DPF) is below the minimum efficiency threshold.
Is P2002 serious?
Fix soon — DPF is clogged and needs regeneration.
How much does it cost to fix P2002?
Repair costs for P2002 range from $300 – $700 depending on the root cause and your vehicle.
Can I drive with P2002?
You can drive short distances but should have it repaired within 1–2 weeks to prevent further damage.