The control module determined that the Battery Charging System Negative Contactor B did not change state as commanded and appears stuck.
TuningBot DTC Database · v4.37.14
P2BCC Battery Charging System Negative Contactor B Stuck Closed
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P2BCC means
Related and nearby codes
How to read P2BCC
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 P2BCC
What does P2BCC mean?
Battery Charging System Negative Contactor B Stuck Closed. The control module determined that the Battery Charging System Negative Contactor B did not change state as commanded and appears stuck.
Is P2BCC generic or manufacturer-specific?
P2BCC is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P2BCC 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.
Other file services
Understand the system behind this code: Diagnostic Strategy and DTC Logic
