Skip to main content

P0480 – Cooling Fan Control Circuit

Want to confirm the real cause of this fault code?

A high‑quality OBD2 scanner gives you live data, fuel trims, sensor readings and freeze‑frame information — exactly what you need to verify the root cause of this code with confidence.

View Recommended 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
Hit enter to search or ESC to close