Powertrain
generic / SAE
P0A7F
Hybrid Battery Pack Deterioration
The hybrid battery pack capacity or internal resistance has degraded beyond the diagnostic threshold. Performance and fuel economy fall as the pack ages.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / numberA / 7F
Possible causes
- Battery pack aged high
- Cell imbalance in pack medium
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: shop only
- DIY: shop recommended
- Estimated cost: 1500–8000 €
- Estimated time: 3–12 h
- Component: hv battery
- Component: battery energy control module
- MIL / check engine light
- emissions-relevant
- limp mode possible
Sources
References
sae:J2012