View Full Version : How to renew 722.8 CVT FCVT
derdud
13th June, 2016, 10:30 AM
Hi, i have to renew a used A-Class automatic ecu
A1693700506 CVT FCVT UNIT
How to do this?
Thanx for help
Gavra
13th June, 2016, 10:58 AM
This is for 722.9 but should be same procedure.
derdud
13th June, 2016, 12:04 PM
are you sure?... avdi manual say nothing from 722.8
Gavra
13th June, 2016, 04:39 PM
Only sure thing is STAR diagnosis online.....everything else is try and hit/miss.....
derdud
13th June, 2016, 04:42 PM
my star diagnose has onlineconnection... but i think i have to make it virgin first
Mario3
13th June, 2016, 04:56 PM
why make virgin ? for this you only need to transfer SCN coding nothing more. No key hashes in this TCU, this is not 7G tronic
derdud
13th June, 2016, 05:03 PM
ok thanx... the unit is not here in my shop and a other garage was asking me to make it virgin.
so i will tell them it is not needed.
Mario3
13th June, 2016, 05:05 PM
But you need to make SCN coding, it wot work properly without it
joemajdalani
14th June, 2016, 12:35 AM
Like Mario 3 said,no need virgin just SCN & possible reflash update.
alclot
14th March, 2019, 07:57 PM
Hi mates,
I have one 722.8 which is faulty and I cant communicate with it by diagnostic to extract SCN coding. If I buy new one is it possible match it without car then send it to the owner of car?
Thanks in advance ;)
alclot
15th March, 2019, 07:03 AM
Hi again. Or steps on car anyway. It is my first time with this kind of unit.
Thanks again
alclot
20th March, 2019, 09:16 AM
Can I do that by original avdi on 722.8?
Thanks again
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