DTC P0480: Radiator Cooling Fan Control Circuit Malfunction: Condition
WARNING: This page is about a different car, the 2002 Suzuki Esteem. However, it is still accessible from the selected car via links, so may be relevant.
DTC is set when monitor signal of radiator cooling fan relay is different than command signal. Possible causes are:
- Short or open circuit between ignition switch and ECM.
- Radiator cooling fan relay malfunction.
- ECM malfunction.