Powertrain
generic / SAE
P0E19
Hybrid/EV Battery Pack Coolant Heater B Control Performance
The HV battery pack coolant heater B reports a control performance condition. Battery preheating may be impaired in cold weather.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / numberE / 19
Possible causes
- Heater element aged - low output 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: medium
- DIY: shop recommended
- Estimated cost: 200–1500 €
- Estimated time: 1–5 h
- Component: hv battery pack coolant heater b
- Component: wiring harness
- Component: bms
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012