P26F7

Coolant Pump C Supply Voltage Circuit

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$17–89 (est.)

Symptoms

Engine overheating
Unstable operation of the cooling system
Check Engine Light Illuminated
Reduced engine performance
Noises from the coolant pump

Causes

Open or short circuit in the pump power supply circuit
Poor contact in connectors
Coolant pump relay malfunction
Problems with the engine control unit
Failure of the coolant pump itself

How to Fix

Check the pump power circuit for breaks and short circuits
Inspect and clean connector contacts
Check the functionality of the pump relay
Test the engine control unit
Replace the coolant pump if necessary

Related codes