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I know many of you have been waiting for an update from OnStar regarding the MyLink application and 2010 (and older) vehicles. I’ve been waiting as well as I’d like to use it on my 2010 Terrain which is obviously currently unsupported. Not wanting to wait for news that I could investigate on my own I started doing some testing on a few vehicles and here is what I found:

2010 Global A Vehicles are more than likely going to be in luck, even with the Gen 8 hardware if the same command is sent via the VCIM to the BCM all of the OnStar enhanced functions (IE remote start) work as designed. This is good news as the 2011’s have slightly revised BCM hardware and considerably revised BCM calibrations (as well as other modules) as well as the Gen 9 VCIM. What this means in layman’s terms is that if you have a 2010 on the NEW style bus architecture (Camaro, Lacrosse, Terrain, Equinox, SRX; did I miss any?) You are more than likely going to be getting support however it MAY require a VCIM software update depending on how they choose to implement it.

So what does this mean for the old vehicles? I’m guessing more than likely the older vehicles won’t be supported for a myriad of reasons however the biggest one being it appears the BCM in those vehicles (as well as the VCIM) were never setup for that type of interaction. The remote door lock/unlock light flash and Stolen Vehicle Slowdown (Old bus architecture with Gen 8 hardware) are still available commands.

My personal opinion (and its worth as much as you’ve just paid for it lol) is that GM will not likely invest any money into recalibrating multiple modules AND writing new software for the mobile devices to make remote functions via the phone a reality. I sure wouldn’t blame them; it will likely cost way more money than they will get in return.
If I get some time later (and people are actually interested) I can take a video of me emulating the OnStar module on a 2010 vehicle and doing some of the functions like remote start etc.
 

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Good info. I've read a few forums where a representative from Onstar tried to explain about the different hardware modules. So perhaps good news for those with 2010 models, but the 2009 and earlier owners are going to cry like stuck pigs, and no explanation as to why GM can't/won't get it to work will satisfy them. It has already started to a certain extent with Blackberry owners, whom GM isn't going to allocate resources to get the app to work on that platform.

KJ
 
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