Powertrain
generic / SAE
P2B2A
Hybrid/EV Electronics Coolant Pump A Overspeed - Dry Run
The hybrid control module detects that the power electronics coolant pump A is running above the calibrated maximum speed without load. Indicates dry running due to coolant loss or air ingestion.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberB / 2A
Possible causes
- Coolant loss in electronics loop high
- Air drawn into pump suction medium
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 200–1500 €
- Estimated time: 1–6 h
- Component: hybrid electronics coolant pump a
- Component: power electronics coolant loop
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012