P2003Medium urgency

Diesel Particulate Filter Efficiency Below Threshold (Bank 2)

Emission · DPF System

⚠️ Fix soon — DPF Bank 2 is clogged.

What this means

Same as P2002 but affects Bank 2 on engines with dual DPF systems. Take the vehicle on a 20 to 30 minute highway drive at 60+ mph to initiate active regeneration before seeking dealer service.

Likely causes

DPF clogged on Bank 2Most common
Failed DPF pressure differential sensorCommon
EGR fault Bank 2Common

Estimated repair cost

Forced DPF regeneration$300 – $700

DPF replacement$1,500 – $4,000

🏪

Frequently asked questions

What does P2003 mean?

Same as P2002 but affects Bank 2 on engines with dual DPF systems. Take the vehicle on a 20 to 30 minute highway drive at 60+ mph to initiate active regeneration before seeking dealer service.

Is P2003 serious?

Fix soon — DPF Bank 2 is clogged.

How much does it cost to fix P2003?

Repair costs for P2003 range from $300 – $700 depending on the root cause and your vehicle.

Can I drive with P2003?

You can drive short distances but should have it repaired within 1-2 weeks to prevent further damage.