P26CD

Engine Coolant Pump Control Circuit High

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Engine overheating
Unstable operation of the cooling system
Check Engine Light Is On
Reduced cooling efficiency
Coolant pump noise

Causes

Coolant pump malfunction
Damaged wiring or poor contacts
Pump relay problems
Engine control unit malfunction
Short circuit in control circuit

How to Fix

Check the operation of the coolant pump
Inspect the wiring and connections in the control circuit
Check pump relays and fuses
Scan the control unit for other errors
If necessary, replace the coolant pump

Related codes

P26CE P26CF P26D0