The control module detected an interruption (open circuit) in the Stop - Start Mode Switch circuit, so the expected electrical continuity was not present.
TuningBot DTC Database · v4.37.15
P05BC Stop - Start Mode Switch Circuit/Open
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P05BC means
Related and nearby codes
How to read P05BC
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 P05BC
What does P05BC mean?
Stop - Start Mode Switch Circuit/Open. The control module detected an interruption (open circuit) in the Stop - Start Mode Switch circuit, so the expected electrical continuity was not present.
Is P05BC generic or manufacturer-specific?
P05BC is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P05BC 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
