P26D6

Engine Coolant Pump Clutch Control Circuit/Open

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$28–89 (est.)

Symptoms

Check Engine Light Is On
Engine overheating
The engine takes a long time to warm up
Unstable operation of the cooling system
Decrease in interior heater efficiency

Causes

Open circuit in the pump clutch control circuit
Short circuit in wiring
Electromagnetic clutch malfunction
Problems with the control relay
Engine control unit malfunction

How to Fix

Check the integrity of wiring and connectors
Test the resistance of the pump coupling
Check the operation of the control relay
Replace faulty pump coupling if necessary
Reset the error and check the system operation

Related codes

P26D5 P26D7 P26D8