OBD-II code · Powertrain (generic)
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.
Is it safe to drive with P0BBD?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyDefective cell in module
- PossibleBMS sense circuit drift
- Less likelyModule software outdated, reflash may resolve
Repair at a glance
- Difficulty
- Shop_only
- DIY friendly
- Best left to a mechanic
- Typical labour
- 3–14 h
- Emissions test
- Usually unaffected
- Parts involved
- Bms, Hv Battery
Related codes
- P0BBAHybrid/EV Battery Voltage Sense Z Circuit Low
- P0BBBHybrid/EV Battery Voltage Sense Z Circuit High
- P0BBCHybrid/EV Battery Voltage Sense Z Circuit Intermittent/Erratic
- P0BBEHybrid/EV Battery Pack Voltage Variation
- P0BBFHybrid/EV Battery Pack Cooling Fan Supply Voltage Circuit/Open
- P0BC0Hybrid/EV Battery Pack Cooling Fan Supply Voltage Circuit Low
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.