How to Diagnose and Fix P0480 Engine Code - OBD II Trouble Code Explain

OBD-II Code P0480 is defined as a Cooling Fan Relay 1 Control Circuit. When code P0480 is triggered, the power train control module or PCM is commanding the cooling fan to operate, but the PCM is not seeing the proper electrical feedback from the cooling fan circuitry that would indicate the fan is operating properly.
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