The control module detected that the signal in the Hybrid Battery Voltage Sense "W" circuit stayed above the expected operating range.
TuningBot DTC Database · v4.37.15
P0BAC Hybrid Battery Voltage Sense "W" Circuit High
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P0BAC means
Related and nearby codes
How to read P0BAC
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 P0BAC
What does P0BAC mean?
Hybrid Battery Voltage Sense "W" Circuit High. The control module detected that the signal in the Hybrid Battery Voltage Sense "W" circuit stayed above the expected operating range.
Is P0BAC generic or manufacturer-specific?
P0BAC is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P0BAC 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
