MasterTuning Fault code dictionary (DTC)

P2003 — Particulate Trap Efficiency Below Threshold Bank 2

Severity: Serious Can you drive? With caution: limp mode possible, have it checked soon Make: All makes (OBD-II standard)
MeaningParticulate Trap Efficiency Below Threshold Bank 2.
FamilyPowertrain (P)

Frequently asked questions

What does code P2003 mean?

Particulate Trap Efficiency Below Threshold Bank 2. Particulate Trap Efficiency Below Threshold Bank 2.

Can I keep driving with code P2003 active?

With caution: limp mode possible, have it checked soon

How do you fix code P2003?

Diagnosis starts from reading the live ECU parameters: the code points to the fault area, not to the part to replace. A vehicle-electronics specialist can test the component and clear the code after the repair.

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