P0480 Cooling Fan 1 Control Circuit Open. The electric cooling fan is controlled by the powertrain control module pcm through the cooling fan relay based on inputs from the following components. Fan cooling fan harness is open or shorted fan cooling fan circuit poor electrical connection how is the p0480 code repair.
If your vehicle s check engine light comes on and after pulling the code you find a p0480 displayed if refers to the engine cooling fan circuit. Possible symptoms engine light on or service engine soon warning light. It is a generic code applying to all obd ii on board diagnostics vehicles.
It is a generic code applying to all obd ii on board diagnostics vehicles.
How to repair p0480 code cooling fan 1 control circuit malfunction. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. The vehicle s pcm control the cooling fans and the second that it determines the fans are not working properly it triggers the code and illuminates the check engine light. P0480 is a diagnostic trouble code dtc for cooling fan 1 control circuit malfunction.
