Powertrain
generic / SAE
P0E3C
Hybrid/EV Battery Coolant Pump Underspeed
The HV battery coolant pump runs below the calibrated minimum speed. High mechanical resistance.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / numberE / 3C
Possible causes
- Mechanical load increased 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: 2–7 h
- Component: hv battery coolant pump
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012