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TuningBot DTC Database · v4.37.15

P2DB9 Battery Charging System B High Voltage Interlock Circuit Low

Generic (OBD-II) interpretation in the TuningBot DTC database.

P · PowertrainBatteryOBD2

What P2DB9 means

P2DB9
Battery Charging System B High Voltage Interlock Circuit Low Generic · battery Data confidence 65%

The control module detected that the signal in the Battery Charging System B High Voltage Interlock circuit stayed below the expected operating range.

Related and nearby codes

How to read P2DB9

P

Powertrain: engine, transmission and driveline systems.

2

Generic SAE-standard code: same meaning on every make.

DB9

Specific fault index within the subsystem.

Frequently asked questions about P2DB9

What does P2DB9 mean?

Battery Charging System B High Voltage Interlock Circuit Low. The control module detected that the signal in the Battery Charging System B High Voltage Interlock circuit stayed below the expected operating range.

Is P2DB9 generic or manufacturer-specific?

P2DB9 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P2DB9 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

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