P0BBD
Hybrid Battery Voltage Sense Internal Module Performance
The BMS detects implausible cell module voltage readings during balancing or load test, indicating sense circuit drift or cell defect.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: shop_only
Common causes
Ordered by how often each turns out to be the cause.
- Defective cell in moduleCommon
- BMS sense circuit driftPossible
- Module software outdated, reflash may resolveLess likely
Parts involved
- Bms
- Hv Battery
P0BBD 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.