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Old 12-04-2019, 12:11 PM   #4
bitterman
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Join Date: Jun 2013
Posts: 40
Default Re: Dreaded P0480 and P0481 code

Correct, I have checked all grounds. All are clean and tight.

I did read on a post from far2grumpy that the ECM can command the fans if the AC pressure is high. I located the pressure sensor but do not know how to test it. My scan tool can tell me voltage of that sensor if that will help.

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