Powertrain
generic / SAE
P0C4A
Hybrid/EV Battery Pack Coolant Pump A Control Performance
The HV battery pack coolant pump A reports a control performance condition. Battery thermal management may be impaired.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / numberC / 4A
Possible causes
- Pump output degraded high
- Air pocket in coolant loop 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: 300–1800 €
- Estimated time: 2–7 h
- Component: hv battery pack coolant pump a
- Component: wiring harness
- Component: bms
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012