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Active Backrest Retrofit

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Old 01-16-2017, 10:32 AM
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ok, makes sense. After running in the garage and checking I believe they're just the comfort seats. Not the active ones. May end up being easier/better for me anyway! Thanks for that.
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Old 01-16-2017, 10:45 AM
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I also just noticed this in the pictures I got, from the car the seats came out of. There's no buttons for the active option.
Attached Thumbnails Active Backrest Retrofit-p-p-comfort-seats-2_li-3-_moment.jpg   Active Backrest Retrofit-p-p-comfort-seats.jpg  
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Old 09-15-2017, 06:51 AM
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I just done this retrofit to my old comfort seats... Drivers bolsters doesnt work, motors make little sound when pressing button, but no movement. I can see control signal coming when pressing button via oscilloscope. Passengers upperpart adjust doesnt work, motor is totally silent. Anyone got ideas for the drivers seat? Modules are coded and can be diagnosed.
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Old 09-15-2017, 07:09 AM
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Originally Posted by ptikkala
I just done this retrofit to my old comfort seats... Drivers bolsters doesnt work, motors make little sound when pressing button, but no movement. I can see control signal coming when pressing button via oscilloscope. Passengers upperpart adjust doesnt work, motor is totally silent. Anyone got ideas for the drivers seat? Modules are coded and can be diagnosed.
So the passenger side bolsters are working correctly?

If so, move the control module from the passenger side to the driver side to test it out
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Old 09-15-2017, 07:11 AM
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Already tried that. No change
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Old 09-15-2017, 07:42 AM
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Originally Posted by ptikkala
Already tried that. No change
Did you build the harness or is it a factory cable you took from another car?

Maybe under voltage? Verify power.
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Old 09-24-2017, 01:37 AM
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Hey NoQuarter.

Can you help? Look, I need codes for all parts which includes this retrofit. Motors, Buttons (DTC, ACTIVE back rest and Heating) on the center console and all others. Can you share this information? I would appreciate that.

Also have maybe more pictures? Because your first page does not show pictures any more, because they are very old. THANK YOU!
Last edited by eimantas28; 09-24-2017 at 02:01 AM.
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Old 09-24-2017, 08:27 AM
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I will fix the images But it has been too long since I worked on this so any notes I have on parts I may not be able to find.

If you use realoem.com you will find all the part numbers you need.

Edit: Pics should be working now
Last edited by NoQuarter; 09-24-2017 at 09:04 AM.
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Old 09-24-2017, 08:48 PM
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Problems solved, changed bolster motors.
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Old 09-25-2017, 05:08 AM
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Originally Posted by ptikkala
Problems solved, changed bolster motors.
Nice

I really like these automatic side bolsters - Hope you do to.
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