2007 Esc- install of 2011 Tahoe VCIM #22794713 - help with onstar activation Tech 2
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Cadillac Escalade, EXT and ESV Forum - 2007-2014 Discussion, 2007 Esc- install of 2011 Tahoe VCIM #22794713 - help with onstar activation Tech 2 in Cadillac Escalade Forums; I have a 2007 escalade with no bluetooth. Purchased a #22794713 VCIM with bluetooth antennae for $220. Install was a ...
  1. #1
    David999 is offline Cadillac Owners Member
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    2007 Esc- install of 2011 Tahoe VCIM #22794713 - help with onstar activation Tech 2

    I have a 2007 escalade with no bluetooth. Purchased a #22794713 VCIM with bluetooth antennae for $220. Install was a snap. Panels pop off easy (tip-raise the cup holder cover, and then grab edge and pull the whole panel up gently), center panel comes easy as well along with panel above glove compartment. You will need to unplug the connection to the three bottons on the driver side of center panel - I then simply flipped panel to rest on passenger seat. Unscrew the bolts holding the entertainment unit in place, and remove - you do not need to remove HVAc or lower component. Unplug electrical connections from back and put the entertainment console aside. VCIM is visible with two plastic connectors on either side. Lift out. I noticed that the new VCIM is missing the GPS antennae connector. I gather that new vehicles have both GPA and cell reception in a single cable; so problem #1 - no gps connection to vcim. I left that loose. Reconnected everything and bluetooth works perfectly. Onstar has red light though, when I press emergency button, I get connected, but as soon as they hear "red light' they suggest a visit to dealer.

    So, I have new unit installed and blue tooth works perfectly with iPhone, but I want onstar essentially for the remote iPhone app.....

    I went to dealer to flash the VCIM with my VIN etc. They were happy to try. I read online that it involves a Tech 2 connection and running "VCIM/OnStar Setup procedure" which I asked them to do.

    However, they followed the bulletin for "Onstar Reconfiguration which involves TIS 2 Web Gen 4). They told me that when they entered the make and year in SPS (Sytem Programming SYstem), it would not recognize VCIM as Gen 6 was not standard on 2007 and not supported..... so end of road.

    Question. Should dealer have run TIS and OnStar Activation programming event using SPS, or should we get them to just connect Tech II and run update.....

    What is best way to get rid of that red light and have it flashed so onstar can migrate account to new vcim. OnStar seems happy to migrate account, but the red light concerns them..

    Last Q - is the red light because the GPS antennae not connected. Do we need to but a new antennae fin with both GPS/Cell in single cable and plug that in?

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  3. #2
    djredman99 is offline Cadillac Owners Member
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    Re: 2007 Esc- install of 2011 Tahoe VCIM #22794713 - help with onstar activation Tech

    Great question as I am looking into this issue right now. I know there are lots of threads on this but I am looking for the solution where there are no issues with the OnStar. Every thread I see usually ends in "Bluetooth works great, OnStar no longer works".

    Is there a VCIM that has the 3rd plug on back to accept the OnStar GPS line? I would love to stay as OEM as possible with any mods I do and want to avoid aftermarket products if I can.

    I have heard "speculation" that the newer models combine both the bluetooth antenna and OnStar GPS lines into one cable. Can anyone confirm that this is in fact true? You would think someone (not me) could design a small adapter to combine the two lines to a single input.

  4. #3
    zach2011's Avatar
    zach2011 is offline Cadillac Owners Fanatic
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    Re: 2007 Esc- install of 2011 Tahoe VCIM #22794713 - help with onstar activation Tech

    Quote Originally Posted by djredman99 View Post
    Great question as I am looking into this issue right now. I know there are lots of threads on this but I am looking for the solution where there are no issues with the OnStar. Every thread I see usually ends in "Bluetooth works great, OnStar no longer works".

    Is there a VCIM that has the 3rd plug on back to accept the OnStar GPS line? I would love to stay as OEM as possible with any mods I do and want to avoid aftermarket products if I can.

    I have heard "speculation" that the newer models combine both the bluetooth antenna and OnStar GPS lines into one cable. Can anyone confirm that this is in fact true? You would think someone (not me) could design a small adapter to combine the two lines to a single input.
    Although my Escalade already has the Bluetooth/OnStar RemoteLink stuff I did do this to my 2008 CTS and here are the two things I noticed:
    • OnStar will not work properly IF you purchase a brand new VCIM. You must purchase a used one in order to have the dealer be able to program it successfully. Or, if you purchase a new one, you must have it programmed in a vehicle matching its VCIM (2010 or newer) and then swap it into your 2007-2009, and proceed to have it programmed. It is impossible to initially program/activate it to an earlier year model.
    • The newer roof antennas use a duplexer which does in fact route both OnStar and GPS into one cable. So you will have one cable leftover.


    Now, this may be different for GMT900 VCIMs but I believe it should be somewhat if not exactly similar.

    Also, there will not be a VCIM with a third antenna receptor. To gain full functionality back, assuming these vehicles use a duplexer like the CTS, you will have to order a newer antenna that has the duplexer, and possibly rerun the antenna wiring.

  5. #4
    djredman99 is offline Cadillac Owners Member
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    Re: 2007 Esc- install of 2011 Tahoe VCIM #22794713 - help with onstar activation Tech

    Quote Originally Posted by zach2011 View Post
    To gain full functionality back, assuming these vehicles use a duplexer like the CTS, you will have to order a newer antenna that has the duplexer, and possibly rerun the antenna wiring.
    Great idea on the new antenna install along with the VCIM. I guess I (we) need to look into what it takes to install a new-style antenna.

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    zach2011's Avatar
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    Re: 2007 Esc- install of 2011 Tahoe VCIM #22794713 - help with onstar activation Tech

    If you can find a picture (maybe on eBay or somewhere) of a newer VCIM for these vehicles, just look and see if it has one or two antenna receptors. If one then yes, you will need a new antenna. If the antenna only has one output, then just connect one of your old cables to it and connect the other end of it to the new VCIM. You will have one unused cable not connected to anything on either end. Should be all there is to it.

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    blkonblk is offline Cadillac Owners Member
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    Re: 2007 Esc- install of 2011 Tahoe VCIM #22794713 - help with onstar activation Tech

    Does anyone have a part # for this new antenna?

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    ssmith29 is offline Cadillac Owners Member
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    Re: 2007 Esc- install of 2011 Tahoe VCIM #22794713 - help with onstar activation Tech

    Here are the part numbers for the antenna with out Digital Audio 20849992 List Price $55.48 and with digital audio 20791465 List Price $73.00..

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    wesyder's Avatar
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    Quote Originally Posted by ssmith29
    Here are the part numbers for the antenna with out Digital Audio 20849992 List Price $55.48 and with digital audio 20791465 List Price $73.00..
    Digital audio? Xm? or something else

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    ssmith29 is offline Cadillac Owners Member
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    Re: 2007 Esc- install of 2011 Tahoe VCIM #22794713 - help with onstar activation Tech

    I am not sure maybe someone else can chime in and let us know.

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    ssmith29 is offline Cadillac Owners Member
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    Re: 2007 Esc- install of 2011 Tahoe VCIM #22794713 - help with onstar activation Tech

    Speaking of questions here is one for someone, So here is my question I have an 09 Silverado with blue tooth what my goal is, is to change the VCIM to one that will now give me the option for the onstar remote link app to work as well as continue to use onstar and blue tooth my current VCIM is a 20783877 it is the one that has the three antenna connectors on it. I also have one that came from a 2013 Silverado it is part # 22898335 but it only has one antenna connector on it..Any help you can provide I would be greatful for, Thanks

  12. #11
    blkonblk is offline Cadillac Owners Member
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    Re: 2007 Esc- install of 2011 Tahoe VCIM #22794713 - help with onstar activation Tech

    Quote Originally Posted by ssmith29 View Post
    Speaking of questions here is one for someone, So here is my question I have an 09 Silverado with blue tooth what my goal is, is to change the VCIM to one that will now give me the option for the onstar remote link app to work as well as continue to use onstar and blue tooth my current VCIM is a 20783877 it is the one that has the three antenna connectors on it. I also have one that came from a 2013 Silverado it is part # 22898335 but it only has one antenna connector on it..Any help you can provide I would be greatful for, Thanks
    So that was what I did. I had the one with two antenna connectors (the third one is the bluetooth) and it was from a 2009 model e think. So i bought a 2011 model (one antenna connector) to try to gain the remote link. I installed it and called onstar. I was trying to get them to get my car and the vcim combined. When i was transferred to the 'technical specialist' and i asked her if the remote link would work now because i had a 2011 vcim she replied NO, she said remote link has to do with the car and not vcim,,,hmmmm i said this dumb bi..h doesnt know jack shit and hung up. So i called onstar right back and told them I am a new owner of the vehicle and would like to set up a new account (they think i'm in a 2011 tahoe now). the lady set it up, got a bunch of free minutes and three free months of onstar. I downloaded the remote link app, set up a new onstar account online and wualaaaa, remote link works. Onstar works also but i still have a redlight on my mirror,,,i believe that is because one of the antennas is not hooked up behind the new vcim. I have to find a antenna splitter (like the ones from yout tv cable) and hook up the two that are coming in and have one output. The only problem is where do I find this thing. Does anyone have any idea how we can hook this up? I know someone suggested to buy a new antenna, but that looks like a bitch to remove (headliner etc)

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    ssmith29 is offline Cadillac Owners Member
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    Re: 2007 Esc- install of 2011 Tahoe VCIM #22794713 - help with onstar activation Tech

    Which antenna did you connect to the single connector?

  14. #13
    blkonblk is offline Cadillac Owners Member
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    Re: 2007 Esc- install of 2011 Tahoe VCIM #22794713 - help with onstar activation Tech

    Quote Originally Posted by ssmith29 View Post
    Which antenna did you connect to the single connector?
    the purple one

    ----------

    just found what we need,,a little pricey but what to do

    https://gmspecialservicetools.spx.co...s.aspx?id=5661

    I placed an order for one,,,will let you guys know how it goes

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    ssmith29 is offline Cadillac Owners Member
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    Re: 2007 Esc- install of 2011 Tahoe VCIM #22794713 - help with onstar activation Tech

    Ok got it to work with your instructions although they think I am driving a 2013 Silverado, bonus I got 6 months free of directions and connections and 300 minutes the app works perfect I just don't know how to handle it through my ins company now they used my onstar account to give me a discount on my mileage but with the 6 months free onstar that already paid for the new vcim, please keep us updated on that new antenna deal if that fixes it I am all in on one. The new vcim has a different female voice she is a lot easier to understand and it comes through a lot clearer. But just wanted to add thanks for all of your help up to this point..

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    blkonblk is offline Cadillac Owners Member
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    Re: 2007 Esc- install of 2011 Tahoe VCIM #22794713 - help with onstar activation Tech

    Quote Originally Posted by ssmith29 View Post
    Ok got it to work with your instructions although they think I am driving a 2013 Silverado, bonus I got 6 months free of directions and connections and 300 minutes the app works perfect I just don't know how to handle it through my ins company now they used my onstar account to give me a discount on my mileage but with the 6 months free onstar that already paid for the new vcim, please keep us updated on that new antenna deal if that fixes it I am all in on one. The new vcim has a different female voice she is a lot easier to understand and it comes through a lot clearer. But just wanted to add thanks for all of your help up to this point..
    im glad you got it to work, the remote link app is awesome. how did you get 6 months free?? you a better salesman then me lol

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