The control module detected that the signal in the Hybrid Battery Voltage Sense "F" circuit stayed below the expected operating range.
TuningBot DTC Database · v4.37.15
P0B56 Hybrid Battery Voltage Sense "F" Circuit Low
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P0B56 means
Related and nearby codes
How to read P0B56
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 P0B56
What does P0B56 mean?
Hybrid Battery Voltage Sense "F" Circuit Low. The control module detected that the signal in the Hybrid Battery Voltage Sense "F" circuit stayed below the expected operating range.
Is P0B56 generic or manufacturer-specific?
P0B56 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P0B56 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
