Powertrain
generic / SAE
P2CF3
Hybrid/EV Battery Pack Coolant Pump A Underspeed
The HV battery pack coolant pump A runs below the calibrated minimum speed for the commanded duty. Mechanical resistance high, supply voltage low, or pump aged.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberC / F3
Possible causes
- Mechanical load increased (binding) high
- Supply voltage low under load 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: 2–6 h
- Component: hybrid battery coolant pump a
- Component: battery pack coolant loop
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012