A8 Trans

[Hayes Myers]

Saw a post on audiforums (cheesy post)
http://audiforums.com/forum/showthread.php?t=76115 indicates Audi wanted to
replace TCM ..seems like similar indicators (not conclusively though.)  This
is more promising for y ou
http://www.audipages.com/Tech_Articles/auto_transmission/f125switchreplace.h
tml where this F125 can throw the first code you have. (17114).
http://www.tyresmoke.net/forum/audi-a8-s8/94499-limp-mode-home-update-gearbo
x-gone.html is good reading...talks about doing your ATF change asap and
stuff.  Here is some torque convertor stuff
http://forums.audiworld.com/showthread.php?p=23293185 sounds like you need a
new torque convertor (internal seal is not replaceable says).  I don't have
much experience with them..just did some quick checks on the subject.
-----Original Message-----
From: quattro-bounces at audifans.com [mailto:quattro-bounces at audifans.com] On
Behalf Of Wally Choate
Sent: Monday, April 20, 2009 7:14 PM
To: quattro at audifans.com
Subject: Re: A8 Trans




My 1997 A8 with 116,000 miles has been producing the VAG code "17114 - Gear
Ratio Monitoring: Incorrect Gear Ratio P0730 - 35 - 00 - - - Intermittent"
for a few months and sometimes goes into "17125 - Torque Converter Clutch:
Stuck OFF / No Power being transferred P0741 - 35-0.  Turning the ignition
off and on resets the clutch and I have reset the Gear Ratio fault several
times with the VAG.
I changed the trans fluid at 86,000 miles in 2002 when I bought the car.
Should I replace the RPM sensor module, put in a rebuilt transmission, start
over with another 5 year old A8, or another idea from a lister?

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