Powertrain
generic / SAE
P2D38
Hybrid/EV Battery Pack Heater Performance
The HV battery pack heater does not raise battery temperature within the calibrated time window. Heater element aged or supply current insufficient.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberD / 38
Possible causes
- Heater element aged - low output high
- Supply current insufficient 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: 400–2500 €
- Estimated time: 2–8 h
- Component: hybrid battery heater
- Component: battery pack thermal loop
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012