Powertrain
generic / SAE
P2B28
Hybrid/EV Battery Pack Coolant Pump A Performance
The hybrid control module detects that battery pack coolant pump A does not produce the expected flow for the commanded duty. Battery thermal management may be impaired.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberB / 28
Possible causes
- Pump output degraded with age 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: 2–6 h
- Component: hybrid battery coolant pump a
- Component: battery pack
- Component: hybrid control module
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012