P0480 – Cooling Fan Control Circuit

Description

The ECM detects a malfunction in the cooling fan control circuit.

Need More Than Just the Fault Code?

A diagnostic scanner with live data, freeze-frame information and the right system access can help you investigate the actual cause before replacing parts.

Compare Diagnostic Scanners

Symptoms

Overheating
Cooling fan not running
AC performance issues
Check engine light

Causes

Faulty fan relay
Wiring issues
Bad fan motor
ECM fault

Diagnosis

Check relay
Inspect wiring
Test fan motor
Monitor fan command

Repair

Replace relay
Repair wiring
Replace fan motor
Replace ECM if needed