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i got code po480

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2000 cavler 2.2 i got code po480 what can i do to fix i put new relay 30 amp

Vehicle: 2000 caviler 2.2 po480 code

1 Answer

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Hi there,

You need to check the power supply to the relay and the fan, test the fan itself, if the fan is no good you will get this code as well. You also need to check the wiring, if you have a broken wire you are going to have this code also.

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