Code result
P2B61
Engine Coolant Flow Control Valve Stuck Closed
Moderate severity
What it means
The engine coolant flow control valve reports a stuck closed condition. Coolant routing between engine and radiator branches cannot be commanded as expected.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Valve seized in closed position
highOne of the most commonly reported causes for this code — check this first.
Debris jammed in valve gate
mediumA plausible cause — test and verify before replacing parts.
Carbon or debris buildup preventing free movement
lowLess common, but worth ruling out after the more likely causes.
Related help
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