[Gmecm] entertainment and comfort bus?

[Scott Pearson]

I guess the first question is what are you trying to do? I've played with 
this a little in the Trofeo. It's been several years, but could dig through 
my notes and see what I have.

Scott

----- Original Message ----- 
From: "Steve Ravet" <Steve.Ravet at arm.com>

> Anyone have details on GM's E&C bus?  This is used, among other things,
> to control the remote CD changer from the head unit in the dash via a 9
> pin connector.  I've gathered that it's UART like but haven't found any
> information about how messages are formatted on it.