Powertrain
generic / SAE
P2E70
Hybrid/EV Battery Pack B Cell Thickness
The BMS detects abnormal cell thickness in HV battery pack B. Cell swelling indicates aging, thermal stress, or imminent failure.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberE / 70
Possible causes
- Cells aged - swelling high
- Thermal stress damaged cells medium
- Pack cell imbalance approaching service threshold low
Symptoms
- EV/hybrid system warning light on
- Reduced power output or limp mode
- Charging may fail or be slowed
- Reduced electric range
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 800–8000 €
- Estimated time: 4–20 h
- Component: hybrid battery pack b
- Component: hybrid battery pack b thickness sensor
- Component: bms
- MIL / check engine light
- drive cycle required
- limp mode possible
Sources
References
sae:J2012