Powertrain
Definition only
Lights the check engine lamp
P2DFB: Coolant Pump E Control Module Overtemperature
Standardized SAE J2012 code · P2Dxx codes
What does P2DFB mean?
The control module of coolant pump E reports junction temperature above the protection threshold.
The code tells you which monitor failed, not which part is broken. Test before replacing parts.
Common causes
- High Ambient temperature too high
- Medium Module cooling path blocked
Likelihood is a general estimate across vehicles; your make and model may differ.
Add your car to see reports of P2DFB on the same make and model first.
P2DFB in the community
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