Code result
P26D7
Engine Coolant Pump Clutch Performance/Stuck Off
Moderate severity
What it means
The coolant pump clutch is commanded on but does not engage. Coolant flow is missing under load, leading to overheating.
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
Worn friction surfaces enlarge air gap
highOne of the most commonly reported causes for this code — check this first.
Weak solenoid magnetic force
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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