Powertrain
generic / SAE
P2D40
Hybrid/EV Battery Cooling System C Performance
The hybrid battery cooling system C does not maintain target temperatures under load. Coolant flow, radiator fouling, or pump output reduced on this branch.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberD / 40
Possible causes
- Radiator fins fouled - reduced heat rejection high
- Pump output degraded with age 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: 300–2000 €
- Estimated time: 2–7 h
- Component: hybrid battery cooling system c
- Component: battery pack coolant loop
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012