P26D8

Engine Coolant Pump Clutch Stuck On

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$33–89 (est.)

Symptoms

Constant operation of the cooling fan
Engine hypothermia
Increased fuel consumption
Unstable engine temperature
Check Engine Light Illuminates

Causes

Mechanical jamming of the pump coupling
Malfunction of the clutch control solenoid valve
Problems in the control circuit wiring harness
Low or contaminated coolant level
Engine control module malfunctions

How to Fix

Check the level and condition of the coolant
Diagnose the electrical clutch control circuit
Check the operation of the solenoid valve
Replace the coolant pump coupling if necessary
Reset the error code and check the system operation

Related codes

P26D7 P26D9 P2610