Code result
P26F4
Coolant Pump C Control Circuit / Open
Moderate severity
What it means
The controller cannot drive the third electric coolant pump. Cooling demand of the connected loop (often hybrid power electronics or battery cooling) 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
Open pump motor winding
highOne of the most commonly reported causes for this code — check this first.
Broken control wire to the pump
mediumA plausible cause — test and verify before replacing parts.
Related help
Get the full diagnosis
Add your vehicle and see step-by-step repair help, recalls, and TSBs in Wrenchify.
Diagnose P26F4 freeNo credit card required