Powertrain
Definition only
Lights the check engine lamp
P2E79: Hybrid/EV Electronics Coolant Pump C Performance
Standardized SAE J2012 code · P2Exx codes
What does P2E79 mean?
Hybrid/EV electronics coolant pump C does not produce the expected flow. Pump aging or air pocket in loop.
The code tells you which monitor failed, not which part is broken. Test before replacing parts.
Common causes
- High Pump output degraded
- Medium Coolant level low
Likelihood is a general estimate across vehicles; your make and model may differ.
Add your car to see reports of P2E79 on the same make and model first.
P2E79 in the community
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