Powertrain: engine, transmission and driveline systems.
2
Generic SAE-standard code: same meaning on every make.
003
Specific fault index within the subsystem.
Frequently asked questions about P2003
What does P2003 mean?
Particulate Filter Efficiency Below Threshold Bank 2. The control module calculated that Particulate Filter efficiency dropped below the calibrated threshold for this application.
Is P2003 generic or manufacturer-specific?
P2003 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P2003 at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry and, where the ECU needs it, corrects the checksum too. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.
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