Powertrain: engine, transmission and driveline systems.
2
Generic SAE-standard code: same meaning on every make.
D1C
Specific fault index within the subsystem.
Frequently asked questions about P2D1C
What does P2D1C mean?
Cold Start EGR A/B Ratio Performance. The control module judged the Cold Start EGR A/B Ratio behaviour implausible for the current operating conditions.
Is P2D1C generic or manufacturer-specific?
P2D1C is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P2D1C at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.