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TuningBot DTC Database · v4.37.15

P2E91 Battery Charger B Internal Power Supply Performance

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

P · PowertrainEngineOBD2

What P2E91 means

P2E91
Battery Charger B Internal Power Supply Performance Generic · engine Data confidence 65%

The control module judged the Battery Charger B Internal Power Supply behaviour implausible for the current operating conditions.

Related and nearby codes

How to read P2E91

P

Powertrain: engine, transmission and driveline systems.

2

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

E91

Specific fault index within the subsystem.

Frequently asked questions about P2E91

What does P2E91 mean?

Battery Charger B Internal Power Supply Performance. The control module judged the Battery Charger B Internal Power Supply behaviour implausible for the current operating conditions.

Is P2E91 generic or manufacturer-specific?

P2E91 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P2E91 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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