Source-backed diagnostic reference

P0EF0 EV diagnostic code

Battery Charger Coupler Unlock Disabled - High Voltage Present

Reference status: This page preserves source-backed code definitions for discovery. Manufacturer/model applicability, repair steps and safety conclusions are not treated as verified unless a manufacturer-specific verified report is available.

Reference definitions

GENERIC: Battery Charger Coupler Unlock Disabled - High Voltage Present Source
GENERIC: Drive Motor A Control Module Overtemperature Source

Search and canonical URL

Capitalization, underscores, hyphens, colons and spaces are normalized to this canonical code identity so alternate scan-tool formats do not create duplicate pages.