P2CC9

Coolant Pump Speed Sensor Range/Performance

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–56 (est.)

Symptoms

Engine overheating
Unstable engine temperature
Check Engine light comes on
Reduced cooling system efficiency

Causes

Coolant pump speed sensor malfunction
Problems with the sensor electrical circuit
Coolant pump malfunction
Sensor is dirty or damaged
Problems with the engine ECU

How to Fix

Check coolant pump speed sensor
Check the electrical circuit of the sensor for breaks and short circuits
Check the operation of the coolant pump
Replace sensor if necessary
Clean or replace sensor connectors

Related codes