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TuningBot DTC Database · v4.37.15

P0EFA Battery Charger A Input Voltage Sensor B Circuit High

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

P · PowertrainEngineOBD2

What P0EFA means

P0EFA
Battery Charger A Input Voltage Sensor B Circuit High Generic · engine Data confidence 65%

The control module detected that the signal in the Battery Charger A Input Voltage Sensor B circuit stayed above the expected operating range.

Related and nearby codes

How to read P0EFA

P

Powertrain: engine, transmission and driveline systems.

0

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

EFA

Specific fault index within the subsystem.

Frequently asked questions about P0EFA

What does P0EFA mean?

Battery Charger A Input Voltage Sensor B Circuit High. The control module detected that the signal in the Battery Charger A Input Voltage Sensor B circuit stayed above the expected operating range.

Is P0EFA generic or manufacturer-specific?

P0EFA is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P0EFA 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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