Code result
P261B
Coolant Pump B Control Circuit Performance/Stuck Off
Moderate severity
What it means
The second electric coolant pump is commanded on but does not run. Cooling demand of the connected loop is not satisfied.
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
Pump motor seized by sediment
highOne of the most commonly reported causes for this code — check this first.
Cracked rotor magnet decouples drive
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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