The control module detected that the Battery Charger B Module Supply voltage stayed above the expected range.
TuningBot DTC Database · v4.37.14
P2E31 Battery Charger B Module Supply Voltage High
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P2E31 means
Related and nearby codes
How to read P2E31
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 P2E31
What does P2E31 mean?
Battery Charger B Module Supply Voltage High. The control module detected that the Battery Charger B Module Supply voltage stayed above the expected range.
Is P2E31 generic or manufacturer-specific?
P2E31 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P2E31 at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry and, where the ECU needs it, corrects the checksum too. 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
