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Thread: Hacking the Can Bus

  1. #41
    Maximum Bitrate
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    May 2012
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    Grandville, MI
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    Ok thanks. I have a 2003 Chevy Avalanche so I am not sure if this will work for me directly but it is worth mentioning if you are going through the trouble of trying to build something when you can buy an already working setup that doesn't require any additional hardware.

    This board is less than $200 and may be the fastest ARM dev board out there with quad 1ghz cores and up to 4 video outputs. 1 Gig of ram onboard and can use LAN, Sata or MicroSD out of the box to boot from. I will likely get cheap SATA drives to boot from since I believe those are more likely to work without issue than MicroSD cards over the long haul and would be much faster.

  2. #42
    Newbie
    Join Date
    May 2014
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    1
    Hello, I made the can-shield using this scheme http://lnxpps.de/rpie/. I use it for hack my Skoda Octavia A5 2011 year.
    Attachment 71760
    To communicate with canbus I use can-utils.
    All perfectly work, I can control my windows with commands such as:
    cansend can0 181#0200 // Open driver window
    cansend can0 181#0800 // Close driver window

    For iPad I wrote a app that displays a data in real time for devices in the individual cells:
    Attachment 71759

    Using this app, I found some can-devices:
    181 - Control/Read status of Windows
    381 - Read status of front left Door (open/close)
    470 - Read status of front right Door (open/close)
    291 - Read status of back right&left Doors (open/close)
    531 - Control/Read status of Lights&Winking
    5D1 - Read status of Windshield
    591 - Read status of CentralLock

    Many IDs I can't define, If someone can help with finding IDs, I'll be glad!
    I want to found a speed, rpm, distance and other IDs.

  3. #43
    Maximum Bitrate jmullan99's Avatar
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    Feb 2009
    Location
    Niagara Falls, Ontario
    Posts
    617
    Sorry to revive this thread. I'm surprised.

    Has anyone found IDs for GM (03 Cadillac specifically for me) regarding simple driver information messages? 'Door ajar', 'Trunk open', 'Low fuel', 'Ice possible', etc.

    Is there any place (site/link) that shares IDs found?

    Thanks.
    John
    03 Cadillac CTS
    ZOTAC G43ITX-A-E 2.5ghz Core i3 2GB 160GB SSD
    Win7 Ultimate - OpenMobile - Directed HD - Wifi
    OMMaps + MS GPS Puck - WiFi via LTE Android phone
    2 Zones - Matrix Orbital LCD - Arduino - Build Pics

  4. #44
    Constant Bitrate
    Join Date
    Nov 2012
    Posts
    152
    Quote Originally Posted by jmullan99 View Post
    Sorry to revive this thread. I'm surprised.

    Has anyone found IDs for GM (03 Cadillac specifically for me) regarding simple driver information messages? 'Door ajar', 'Trunk open', 'Low fuel', 'Ice possible', etc.

    Is there any place (site/link) that shares IDs found?

    Thanks.
    John
    "P" codes are listed here:http://www.engine-light-help.com/gm-trouble-codes.html

    If you want the actual LAN data, you are going to have to "sniff" it out.

  5. #45
    Newbie
    Join Date
    Apr 2015
    Posts
    1
    hi,
    i'm trying to understand if I can connect my Arduino to the OBD port of my VW Golf to control the steering wheel buttons, but I did not understand very well if it is possible to do that.
    Can anyone help me?

  6. #46
    Raw Wave pierrotm777's Avatar
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    May 2008
    Location
    Bordeaux, France
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    2,901
    Quote Originally Posted by gabriele83 View Post
    hi,
    i'm trying to understand if I can connect my Arduino to the OBD port of my VW Golf to control the steering wheel buttons, but I did not understand very well if it is possible to do that.
    Can anyone help me?
    I think you must to use a CAN bus between arduino and your OBD interface ! No ?

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