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International Automotive Technicians Network
Re: 2007 Focus Communication Error No Start
Posted to Technical Discussion Forum on 3/25/2023

Hi Shani:

Load test your grounds at the dlc3. Should be 2 of them.

Another way to see if it is a ground problem is to back feed a good ground (preferrably straight from teh battery) to the dlc grounds then recheck. Done that a bunch of times. Had a shop ne... Login to read more.