The control module detected an unstable or intermittent signal in the Battery Charging System B High Voltage Interlock circuit.
TuningBot DTC Database · v4.37.15
P2DBB Battery Charging System B High Voltage Interlock Circuit Intermittent/Erratic
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P2DBB means
Related and nearby codes
How to read P2DBB
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 P2DBB
What does P2DBB mean?
Battery Charging System B High Voltage Interlock Circuit Intermittent/Erratic. The control module detected an unstable or intermittent signal in the Battery Charging System B High Voltage Interlock circuit.
Is P2DBB generic or manufacturer-specific?
P2DBB is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P2DBB 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
