P0C73

Motor Electronics Coolant Pump A Control Performance

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$56–167 (est.)

Symptoms

Engine overheating
Unstable engine operation
Turning on the Check Engine Light
Reduced engine power
Increased fuel consumption

Causes

Electronic coolant pump malfunction
Open or short circuit in the pump control circuit
Problems with the pump connector
Engine control unit malfunction
Mechanical jamming of the pump

How to Fix

Check the operation of the coolant pump
Check the integrity of the pump control circuit
Inspect the pump connectors and connections
Check control signals from the computer
If necessary, replace the coolant pump

Related codes

P0C74 P0C75 P0C76