Powertrain
Definition only
Lights the check engine lamp
P2600: Coolant Pump A Control Circuit / Open
Standardized SAE J2012 code · P26xx — Computer and output circuits
What does P2600 mean?
The controller cannot drive the electric coolant pump A control line. Without circulation, engine and aftertreatment can overheat or warm up incorrectly.
The code tells you which monitor failed, not which part is broken. Test before replacing parts.
Common causes
- High Open pump motor winding
- Medium Broken control wire to the pump
Likelihood is a general estimate across vehicles; your make and model may differ.
Add your car to see reports of P2600 on the same make and model first.
P2600 in the community
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