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4 Gearbox adaption for vehicles from
model year 2006 onwards
Note
This gearbox adaption is not possible on vehicles before model
year 2006. The software of the automatic gearbox control unit -
J217- in these vehicles does not support this function.
One of the essentials for optimum and consistent gear shifting,
apart from favourable design parameters, is the accurate control
of the selector elements. In order to keep the gear shift quality at
a consistently high level throughout the service life of the gearbox,
it is necessary to continuously adapt various open and closed-
loop control parameters and to store the calculated adaption
values. This process of adaptation or learning is referred to as
adaption.
The objective of gearbox adaption is to compensate for variations
in gearbox components during manufacture (i.e. tolerances) and
throughout their service life. The adaption values take the form of
offsets which can be added to or subtracted from the applied val‐
ues permanently stored in the gearbox control unit.
For a detailed description of adaption, please refer to ⇒ Self-study
programme No. 385 ; 6-speed automatic gearbox 09L / 0AT /
0B6 / 0BQ / 09E .
When should the adaption values be read / assessed / deleted
and when should an adaption drive be performed?
♦ Customer complains that gear shifts are rough
♦ After an ATF change
♦ After repairs to the clutches
♦ After installing a replacement mechatronic unit or gearbox
♦ After a software update
♦ After certain repairs to the engine, e.g. after renewing the air
mass meter.
– It is important to follow closely all the instructions, work pro‐
cedures and conditions in the „Guided Functions“.
– Connect up ⇒ Vehicle diagnostic tester, select „Guided Func‐
tions“ and run function „J217 - Adaption values, checking /
adaption drive (Rep.Gr.38)“.
Audi A6 2005 ➤ , Audi A8 2003 ➤
Servicing automatic gearbox 09E, four-wheel drive - Edition 12.2011
4. Gearbox adaption for vehicles from model year 2006 onwards 15
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