Powertrain
generic / SAE
P0DE7
Hybrid/EV Battery Pack Cell Voltage High
The BMS detects at least one cell with voltage above the safe upper limit. Risk of cell damage from overcharge.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / numberD / E7
Possible causes
- Cell balancing failed - cell overcharged high
- Cell with reduced capacity reaches voltage limit early 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: 800–6000 €
- Estimated time: 4–18 h
- Component: hv battery pack
- Component: bms
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012