P0EB6
Hybrid/EV Battery Pack Voltage Sense Circuit Performance
BMS detects rationality fault in pack voltage sense channel, with sum of cell voltages disagreeing from total pack voltage measurement beyond tolerance.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: shop_only
Symptoms
- EV/hybrid system warning light on
- Reduced power output or limp mode
- Charging may fail or be slowed
- Reduced electric range
Common causes
Ordered by how often each turns out to be the cause.
- BMS sense channel driftCommon
- Pack cell imbalance approaching service thresholdLess likely
- Ground point with elevated resistanceLess likely
Parts involved
- Bms
- Hv Battery
P0EB6 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.