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Discussion Starter #1

My first day as a member and glad to be here.

I have a 1995 S600 Coupe that has the ASR light on and is in continual limp mode.There are no DTC's other than the standard number 30 "can't communicate with EA control unit (N4/1)" The scanners I have used are both good tools and neither can even see the EA control unit when scanning.

I am at a loss as to what I need to do from this point. I can't get a read from the EA controller and have tried another known good unit in its place. The same thing happens with that unit.

I have seen many posts about the ASR light and on and off limp mode, but nothing that is the same as my situation.

Anyone have any idea what I should be looking at?
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