Powertrain
Definition only
Lights the check engine lamp
P2DFA: Coolant Pump E Supply Voltage Circuit
Standardized SAE J2012 code · P2Dxx codes
What does P2DFA mean?
Coolant pump E reports a supply voltage circuit condition. Coolant circulation through the affected loop cannot be commanded reliably.
The code tells you which monitor failed, not which part is broken. Test before replacing parts.
Common causes
- High Pump motor or driver fault
- Medium Wiring or connector fault
Likelihood is a general estimate across vehicles; your make and model may differ.
Add your car to see reports of P2DFA on the same make and model first.
P2DFA in the community
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