The device uses an ADA03728 chip to process three inputs and generate a maximum output voltage that

To regain stalk functionality. Does anybody have the old CD software to upload somewhere so that I can get it? Thanks for any answers Note: The stalk push buttons worked fine before the upgrades. The 2003 Ulysse uses a CAN & VAN bus system and the latest software available for 2003 cars is Version 5.5d. It is important not to try and update earlier cars to version 6 software as this can damage the RT3. When applying the update, it is important to have your engine running to avoid the RT3 going into economy mode during the update process.

5.5d Rt3 Van

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During the update, the disc may be ejected and reloaded automatically several times so it is important to leave it alone until you are certain the update has been completed. The whole process can take 10 minutes or more, so don't try and rush it. I have an ISO image of the Version 5.5d CD which I could email to you if you need it. The ISO image can be burned to a CD using a program such as ImgBurn. Somtimes, it might be useful to have the ability to downgrade the RT3 to an earlier version. 2ff7e9595c