D4 A8 Multicontour Seat CAN Controls

[artemovsk]

Hello,

I have a drivers seat from a 2014 A8L that I plan on installing into my 2016 Jetta. I already know that it physically bolts into place and fits, and I did something similar in the past with a seat from a Q5. Very conveniently, VAG makes the bolt pattern for all seats exactly the same, I just need to fabricate the electrical controls for it.

From quite a bit of research, it seems like seat memory and the massage functions will not work due to component protection, so I will ignore these parts.

The switch motor controls all work fine (with power provided to the seat module).

I already have the comfort CAN IDs to make the HVAC stuff work, and I have tested them using a CAN module with an arduino.

0x3C0 data 0x00 0x00 0xff 0xff - ignition frame

0x664 0x00 0xWX 0xYZ - WX are drivers HVAC, YZ are passengers HVAC

So this leaves me with two other motor controls that are only moveable from the MMI, the upper back and seat depth controls (really more of a lower leg thing).

Obviously I need a frame ID to make these move but I can't find any information about these two controls. Anyone with any knowledge or idea of where to look would be greatly appreciated

Additionally, there are other seat controls that are purely pneumatic, like lumbar and the side bolsters. I would love to know if these are able to function and aren't locked out through component protection.

Thanks!

[coldfirezz]

I have been wanting to figure this out. I am putting A8 seats in my Touareg and Eurovan. If you want to email me and we can try and work together. I have a full D4 S8 I can use to test and figure out as well as multiple seats. Just need some help with the hardware to find the stuff and control it. Musimic at Gmail is my contact.