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Thread: CANBUS Anyone?

  1. #1
    Newbie catnamedog's Avatar
    Join Date
    Jan 2004
    Warrington, UK

    CANBUS Anyone?

    I recently bought an October 2008 Citroen C4 Grand Picasso. It uses CANBUS, which seems to get in the way of any aftermarket HU kit I want to fit.
    I can go into further details, but does anyone know about and can advise me on how to proceed with CANBUS?
    BMW. For when you don't need to prove anything, but you do, you do!

  2. #2
    Join Date
    Jun 2011
    Flint / Ann Arbor, Michigan
    I can say to you, have fun. This is the reason that I haven't replaced the head unit in my 2007 Chevrolet HHR, the stock one is too tightly integrated with the rest of the vehicle electronics and replace it (although possible) means losing:
    * adaptive volume
    * turn signal clicks
    * warning chimes
    * steering wheel controls even for cruise/trip odometer (iirc)

    However, there are companies that provide interoperability adapters for factory systems, Metra comes to mind. They make a GMLAN integration module (GMLAN is a protocol that runs on top of CAN bus) that reenables warning chimes/turn signal clicks/adaptive volume for late model GM cars. But it costs like 200 dollars IIRC.
    I have no idea if one exists for Citroens.

    I hope this helps.


  3. #3
    Join Date
    May 2011
    i am on the same boat....
    i am buying a 2011 Ford Fusion SEL (comes without SYNC DVD Screen). It comes with 12 sony speakers and stock amp and I wanted to use those alongside steering wheel controls but CANBUS seems to get in the way.
    I`ve found on ebay a 100$ "Radio replacement interface Wire Harness" that seems to do the trick (it even have a wire for IGN so i wouldn`t need to cut mine for startup/shutdown controls -- 3 yr warranty will not get voided).
    But yet I havent got my car and still building my project at bench so looooooooooong time yet to come before I put it on the dash
    Search over ebay, you might fish up something.

  4. #4
    Join Date
    Jun 2011
    Dublin, Ireland
    Just lash a resistor onto the sensor circuit. You'll need to look around for the correct value.

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