Powertrain
generic / SAE
P2DFC
Hybrid/EV Battery Coolant Leak Detected
The hybrid control module detects a coolant leak in the HV battery thermal loop. Coolant level dropping or leak sensor triggered.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberD / FC
Possible causes
- Coolant fitting loose or cracked high
- Coolant hose split 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: 200–1500 €
- Estimated time: 1–6 h
- Component: hybrid battery coolant loop
- Component: hybrid battery coolant level sensor
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012