Powertrain
generic / SAE
P0A1F
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.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / numberA / 1F
Possible causes
- BECM internal fault high
- Communication with BECM lost medium
Inspection / repair
- Difficulty: shop only
- DIY: shop recommended
- Estimated cost: 500–4000 €
- Estimated time: 2–8 h
- Component: battery energy control module
- Component: hv battery
- MIL / check engine light
- emissions-relevant
- limp mode possible
Sources
References
sae:J2012