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Re: GM Techs, Can Bus issues. HELP!
Posted to Technical Discussion Forum on 3/13/2020

I am not a GM tech or a can bus expert, but I would find a convenient place to split the network in half. Maybe the EBCM or BCM. Then use a scope or DVOM to check signals/voltage going to one half, then the other half of can low and high. If you see a differen... Login to read more.