OBD-II code · Powertrain (generic)
P0DAB Hybrid/EV Battery Cell Balancing Performance
The BMS detects that overall cell balancing performance is below expectation. Multi-cell imbalance increases despite balancing efforts.
Is it safe to drive with P0DAB?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyMultiple balancing circuits aged
- PossibleCells severely aged - capacity spread
- Less likelyPack cell imbalance approaching service threshold
Symptoms
- EV/hybrid system warning light on
- Reduced power output or limp mode
- Charging may fail or be slowed
- Reduced electric range
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 4–16 h
- Emissions test
- Usually unaffected
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Hv Battery Pack, Bms, Cell Balancing Circuits
Related codes
- P0DA8Hybrid/EV Battery Voltage/Drive Motor A Inverter Voltage Correlation
- P0DA9Hybrid/EV Battery Voltage/Drive Motor B Inverter Voltage Correlation
- P0DAABattery Charging System Isolation Fault
- P0DACHybrid/EV Battery Cell Balancing Circuit A
- P0DADHybrid/EV Battery Cell Balancing Circuit A Stuck On
- P0DAEHybrid/EV Battery Cell Balancing Circuit A Stuck Off
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.