P26CF

Engine Coolant Pump Control Module System Voltage

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$33–111 (est.)

Symptoms

Engine overheating
Insufficient engine warm-up in cold weather
Check Engine Light Is On
Unstable engine operation
Reduced cooling system efficiency

Causes

Coolant pump control module malfunction
Open or short circuit in the electrical circuit
Module power problems
Faulty relay or fuse
Poor contact in connectors

How to Fix

Check fuses and relays associated with the system
Inspect the electrical circuit for damage
Check voltage at pump control module
Test the operation of the coolant pump
If necessary, replace the pump control module

Related codes

P26D0 P26D1 P26D2