P0480 Cooling Fan 1 Control Circuit

Powertrain Severity: Moderate Generic OBD-II

Fault in the control circuit of the cooling fan.

Common causes

  • Faulty fan relay or module
  • Failed fan motor
  • Wiring damage

Symptoms

  • Check engine light
  • Overheating in traffic
  • Fan does not run

What to check

  1. Command the fan with a scan tool
  2. Check relay and fuse
  3. Check fan motor

Manufacturers may add their own detail to generic codes. If your vehicle shows a different description for P0480, follow the service information for that make and model.