Best Audi Tt Diy All Almost The Dsg Too Launch Control

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Best Audi Tt Diy All Almost The Dsg Too Launch Control

As most of y'all likely know past times now, the Launch Control characteristic was removed from the DSG's Transmission Control Module (TCM) for all US-spec 3.2 TT's.

I've been trying to figure out how this was done, together with after working amongst HPA on getting their FT400 turbo kit installed inwards my TT we've all learned a lot virtually what just happened:


1. Lucky get-go few 3.2 owners: the get-go 150 or then US-spec TT 3.2's made it on this side of the pond amongst the same TCM every bit the Euro-spec TCM. Therefore, the Launch Control characteristic was enabled every bit it was inwards the code together with nobody touched it. I really test-drove the get-go TT that made it to California, together with fifty-fifty though I originally idea LC was disabled, it was really in that location together with working similar a charm. Too bad I wanted to special-order mine..

2. Port hold: Sometime inwards belatedly 2003, Audi of America imposed a port tally on all 3.2 TT's every bit a "defect" was institute amongst the DSG. What really happened is non confirmed past times anyone, but nosotros believe the port tally was mainly created to disable the Launch Control inwards all US-bound 3.2 TT's. From that indicate on, all US-spec 3.2's had the Launch Control programme disabled every bit the TCM is completely dissimilar - to a greater extent than on this later.

3. DSG Recall: sometime inwards early on 2004, in that location was a recollect on some early on 3.2 VIN's every bit they institute out in that location was a *real* defect amongst the DSG. Even though the rumor was that this recollect was created every bit an excuse to disable Launch Control on those early on 150 or then cars that "slipped through", in that location was really a job amongst the means the early on DSG's were built: a seal was installed incorrectly causing the DSG to acquire stuck inwards a gear or non engage at all. This was also experienced inwards Europe, then nosotros know that this recollect was legit. *However* inwards replacing the problematic DSG's, Audi of America took this chance to install completely novel TCM's along amongst the DSG itself - so disabling Launch Control!

4. More than a code change: Beyond a uncomplicated reflashing of the DSG's TCM to disable the Launch Control program, Audi has created an solely new TCM controller for US-bound 3.2's. This novel TCM doesn't fifty-fifty conduct hold the capability of getting reflashed amongst the Launch Control program, because the code is completely missing. I had a difficult fourth dimension swallowing that, existence a software engineer together with such, but HPA worked long hours amongst Federal Republic of Federal Republic of Germany to detect out that the US-spec TCM just cannot conduct hold the LC programme at all. What HPA ended upwards doing for my install is order a Euro-spec TCM overnight to consummate the FT400 install, every bit they had promised me LC amongst the kit. The most painful component is that the TCM is encased within the DSG then they had to drain the stone oil from the DSG, conduct hold it completely apart, withdraw the US-spec TCM together with supplant it amongst the Euro-spec TCM.

5. Paddle circuits too! Beyond the TCM existence completely novel for the US, the steering bicycle was also completely rewired amongst a 4-wire harness, vs a 2-wire harness inwards European 3.2's. Indeed, the paddle circuits are completely dissimilar inwards that the US-spec ones are just an on/off setup (short to gound), whereas the Euro-spec ones are inwards the same circuit loop amongst dissimilar resistors to human activity inwards dissimilar functions - to a greater extent than on this below. So HPA had to tear the steering bicycle apart to withdraw the paddle circuit boards, solder some resistors on them together with only work two of the iv wires coming from the TCM. Wish I had kept those R32 aluminum paddle's circuit boards!

6. Manual Mode non acting similar one: The DSG behaviour was fifty-fifty tweaked differently inwards these novel TCM's. In Manual Mode, the transmission would shift past times itself just earlier hitting redline. Everyone who reviewed the DSG complained that this Manual fashion was really non manual at all every bit it was *automatically* shifting for y'all earlier redline! This tin live on peculiarly annoying on the rails where y'all desire to tally a gear on the apex of a corner.. When HPA replaced the TCM inwards my DSG, they also increased the redline to 7150 RPM. The beauty of the Euro-spec TCM is that now, Manual fashion is really Manual every bit the DSG volition tally a gear just about 7000 RPM until y'all upshift, together with non upshift *for you*.

7. Manual Over-ride: One other deviation to the US-spec TCM is that, when either inwards Drive or Sport mode, the driver tin ever conduct hold over the shifting activity manually amongst the paddles *however* this over-ride times out after xv seconds or so. In the Euro-spec TCM, the over-ride does NOT timeout after xv seconds, but keeps y'all inwards Manual fashion *until y'all tally the right paddle for a couplet of seconds!!!* So instantly I'm kicking myself for "erasing" the /OFF from my right paddle... oh well.


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