OBD-II code · Powertrain (generic)
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.
Is it safe to drive with P0A7F?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyBattery pack aged
- PossibleCell imbalance in pack
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
- Shop_only
- DIY friendly
- Best left to a mechanic
- Typical labour
- 3–12 h
- Emissions test
- Likely to fail
- Parts involved
- Hv Battery, Battery Energy Control Module
Related codes
- P0A0FHybrid Engine Failed to Start
- P0A1FBattery Energy Control Module
- P0A7AHybrid Battery Pack Deterioration
- P0A80Replace Hybrid Battery Pack
- P0A7CMotor Electronics Over Temperature
- P0A7DHybrid Battery Pack Low Voltage
- P0A7EHybrid Battery Pack Overtemperature
- P0A81Hybrid Battery Pack Cooling Fan 1 Performance
- P0A82Hybrid Battery Pack Cooling Fan 1 Circuit Low
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.