OnStar out of service
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Cadillac Escalade, EXT and ESV Forum - 2007-2014 Discussion, OnStar out of service in Cadillac Escalade Forums; After going away for two weeks, when I returned, my EXT battery was dead. No big deal, it was three ...
  1. #1
    Jaxpa1 is offline Cadillac Owners Member
    Automobile(s): 2011 EXT
    Join Date
    May 2012
    Posts
    3

    OnStar out of service

    After going away for two weeks, when I returned, my EXT battery was dead. No big deal, it was three years old and I AM in hot Florida.

    Swapped out the battery and all started, EXCEPT.

    The Onstar never came back on. Nothing has changed except the car battery and I cannot get Onstar.

    Can anyone tell me where the Onstar unit is and how I can check it or replace it without taking it to the rip off dealer.

    For instance, they wanted $275 for the replacement battery that I got from a chevy dealer for $150.00.

    I am quite capable of changing this out.

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  3. #2
    OnStar Advisor is offline Cadillac Owners Member
    Join Date
    Oct 2012
    Posts
    94

    Re: OnStar out of service

    Jaxpa1,

    I'm sorry to hear you're experience some trouble using your OnStar system. I would be happy to troubleshoot and resolve this issue for you. Please PM me your contact information. Thank you, I look forward to speaking with you soon.

    -Johnua, OnStar Advisor
    Social Media Team




    Quote Originally Posted by Jaxpa1 View Post
    After going away for two weeks, when I returned, my EXT battery was dead. No big deal, it was three years old and I AM in hot Florida.

    Swapped out the battery and all started, EXCEPT.

    The Onstar never came back on. Nothing has changed except the car battery and I cannot get Onstar.

    Can anyone tell me where the Onstar unit is and how I can check it or replace it without taking it to the rip off dealer.

    For instance, they wanted $275 for the replacement battery that I got from a chevy dealer for $150.00.

    I am quite capable of changing this out.

  4. #3
    hcvone is offline Cadillac Owners 10000+ Posts
    Automobile(s): 2013 CTSV Coupe , 2012 Escalade, 2014 SRX
    Join Date
    Apr 2003
    Location
    H.V., Pa/Town of Webb, NY
    Posts
    12,864

    Re: OnStar out of service

    I have seen the hvac system and the radio not come on after a dead battery, but never seen OnStar not work.

  5. #4
    Jaxpa1 is offline Cadillac Owners Member
    Automobile(s): 2011 EXT
    Join Date
    May 2012
    Posts
    3

    Re: OnStar out of service

    I found a TSB online from Onstar that recognizes this problem and direct owners to the dealer for replacement. I never received this TSB notification. Can I still get it replaced under this TSB? Apparently it happens with enough regularity of there to be a TSB about it. The bulletin number is #09-08-46-004B. This has the EXACT problems I am experiencing.

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