P26D7

Engine Coolant Pump Clutch Performance/Stuck Off

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$33–111 (est.)

Symptoms

Engine overheating
Unstable engine operation
Increased fuel consumption
Check engine light comes on
Reduced engine power

Causes

Coolant pump clutch failure
Problems with the electrical control circuit
Mechanical damage to the pump
Engine control unit malfunction
Open or short circuit in wiring harness

How to Fix

Check the clutch control electrical circuit
Inspect the coolant pump coupling for damage.
Replace the coolant pump coupling if necessary
Check the operation of the coolant pump
Update engine control unit software if necessary

Related codes

P26D8 P26D9 P26DA