The control module detected an interruption (open circuit) in the Control Pilot Charging Switch B circuit, so the expected electrical continuity was not present.
TuningBot DTC Database · v4.37.15
P2DCE Control Pilot Charging Switch B Circuit/Open
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P2DCE means
Related and nearby codes
How to read P2DCE
Powertrain: engine, transmission and driveline systems.
Generic SAE-standard code: same meaning on every make.
Specific fault index within the subsystem.
Frequently asked questions about P2DCE
What does P2DCE mean?
Control Pilot Charging Switch B Circuit/Open. The control module detected an interruption (open circuit) in the Control Pilot Charging Switch B circuit, so the expected electrical continuity was not present.
Is P2DCE generic or manufacturer-specific?
P2DCE is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P2DCE 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.
Other file services
Understand the system behind this code: Diagnostic Strategy and DTC Logic
