Powertrain
generic / SAE
P0DC4
Hybrid/EV Battery Cell Balancing Circuit G
The cell balancing circuit G reports a generic fault. Cell-group voltage equalization may be impaired on this channel.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / numberD / C4
Possible causes
- Balancing circuit failed high
- Severe cell imbalance medium
- Ground point with elevated resistance 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: 400–3000 €
- Estimated time: 3–10 h
- Component: hv battery cell balancing circuit g
- Component: bms
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012