P0A10
Hybrid Battery Voltage Sense Circuit
The battery management system detects a fault in the high-voltage battery pack voltage sense circuit, used to monitor module-level voltages.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: shop_only
Common causes
Ordered by how often each turns out to be the cause.
- BMS sense circuit failureCommon
- Cell module imbalancePossible
- Ground point with elevated resistanceLess likely
Parts involved
- Bms
- Hv Battery
- Voltage Sense Wiring
P0A10 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.