Battery Energy Control Module
A generic fault is reported by the battery energy control module of a hybrid or electric vehicle. The module manages charge balancing, temperature and contactor logic for the high-voltage battery.
Affected components
- Battery energy control module
- Hv battery
Common causes
- High likelihood: BECM internal fault
- Medium likelihood: Communication with BECM lost
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
- Reduced-power or limp mode may occur
Related codes
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.