gm onstar hacking

onstar serial hack

this site shows you how to jack in to the gps receiver inside any gm onstar system.  it’s as simple as soldering a up a serial cable.  you can then connect to it and either run some gps diagnostic software, or switch the device to nmea mode so that you can use it with your gps mapping software in your car pc.

if you’ve got an onstar system but aren’t paying for the service this might be just the hack for you.  thanks for the link leo!

Comments

  1. Jeff says:

    Simple hack, yet one I’m sure a lot of people overlooked. Thanks for the post and the interesting site!

  2. aARON says:

    I work with the guy that maintains this page and he said that a lot of the information is out of date and hasn’t been updated in over a year. I don’t have OnStar so I am not sure what has changed.

  3. freekalater says:

    I had read about this 4 months ago.
    Is this blog up to date?

  4. Otto says:

    I first saw this site a couple years ago. It only has information for the older Onstar boxes; pre-2004, I think. In any case, it does work on those boxes. Basically, you wire a serial cable to the GPS chip and then override the Onstar box to get the GPS data. Kinda cool if you don’t use the OnStar in the car and want to put a GPS system into your car in a clean manner. You can also disconnect the microphone and radio/automute connections from the OnStar box and wire them up to a bluetooth car kit for your cell phone without too much difficulty.

  5. dave says:

    Im interested in hooking up a bluetooth kit to this…anybody got any info or instructions on that? email me dave_holman@@yahoo.com (only one @)

  6. gabureiru says:

    where can I get the WinOnCore SW. The link doesnt work….

  7. JASON says:
  8. WhiCali says:

    Otto, How do you do the blue tooth hack to the onstar system? I have a Buick Renderzous and if you can send me the directions at physicsjava@yahoo.com

  9. Bud says:

    I am new here. Does it show tracking on a map or does it just talk? will it tell when to turn? Thanks for any help

  10. Sid says:

    How can I make the navigation screen/nav dvd on my 2005 Chevy Tahoe play a movie dvd?

  11. Sid says:

    How can I make the navigation screen/nav dvd on my 2005 Chevy Tahoe play a movie dvd?

  12. jerry hoover says:

    I would like to know if there is a simple way to disconnect my On Star in my 2003 GMC pickup so my truck cannot be tracked at the request of someone else. Please let me know as soon as possible thanx

  13. Jill says:

    how do you disconnect onstar on a pontiac torrent. crazy ass boyfriend trying to follow and threaten me and my 3 year old daughter. please let me know this as soon as possible.

  14. Jill says:

    how do you disconnect onstar on a pontiac torrent. crazy ass boyfriend trying to follow and threaten me and my 3 year old daughter. please let me know this as soon as possible.

  15. Cool hack, I love how GM thinks you need this is your car evan if you do not want it.

  16. allen says:

    does anyone know where the viu is located on a 2002 gmc envoy? i want to hack into it or disconnect it.

  17. sameemas says:

    how do i disconnect onstar gpsr eceiver connect to car pc. please let me know this as soon as possible.

  18. melissa says:

    I have an 02 mercedes clk 320, need to know how to disconnect the onstar! i bought the car at an auto auction and the former owner used it to locate me to try to get the car back, so i need to disconnect! thank you!!!

  19. Andy Simon says:

    Melissa,

    The former owner didn’t track you with the Onstar he probably did a public records request to find out where you lived.

    To make sure contact Onstar and make sure there is no account still tied to the car for a previous owner.

  20. ahhhhchu says:

    Can i get the addresses of all GM vehicle owners as well as instructions on deactivating the onstar system, and a brick please?

  21. RENE ROMAN says:

    Hi, i have a 2004 chevy tahoe with the factory navigation system. how can i get it to play dvds.also have onstar how can i make it work with my cell useing bluetooth.

    thanks

  22. Eagle says:

    ahhhchu:

    1: grab soupcan

    2:place over onstar antenna

    3: Onstar = disabled.

    4: ??????

    5: Profit.

    alternately, just unscrew the 2″ long whip antenna, or park in a place with no cell reception… like inside a shipping container.

  23. Kdukes says:

    you can find the GM oem navigation integration modules in a few places. I use the pac vc-gm2

    http://www.google.com/search?hl=en&source=hp&q=+PAC+VCI-GM2+&btnG=Google+Search&aq=f&oq=&aqi=

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