Webthe vehicle communication interface module (vcim) is part of the onstar system and interacts with several other electronic control devices in the vehicle. Take their vehicle to their dealer for the system. Webwhat you'll need is a gmlan generation 2 based vcim (onstar version 7. 0 and above made after 2006), an antenna module foot from another theta platform. Web€€€€•€ the vehicle communication interface module (vcim) has a specific set of unique numbers that tie the module to each vehicle. By kconn001 » february 4th, 2012, 12:00 am. Can anyone please tell me where the onstar vcim is located on a 2009 colorado. 1. 4k views 5 years ago. This is the third and final video chronicling my adventures in mylink where i've installed a mylink radio from a 2013. Webonstar module is communicating properly with the network. If the onstar representative confirms that the module is functioning properly, no further action is. Webthe onstar module, called the vcim, is under the dash, just above and to the left of the brake pedal. There are two white plugs connected to it, and two antenna.
