Powertrain
Definition only
Lights the check engine lamp
P2B61: Engine Coolant Flow Control Valve Stuck Closed
Standardized SAE J2012 code · P2Bxx codes
What does P2B61 mean?
The engine coolant flow control valve reports a stuck closed condition. Coolant routing between engine and radiator branches cannot be commanded as expected.
The code tells you which monitor failed, not which part is broken. Test before replacing parts.
Common causes
- High Valve seized in closed position
- Medium Debris jammed in valve gate
- Low Carbon or debris buildup preventing free movement
Likelihood is a general estimate across vehicles; your make and model may differ.
Add your car to see reports of P2B61 on the same make and model first.
P2B61 in the community
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