SC Forum Issue/G8 TCM Issues - Pontiac G8 Forum: G8 Forums - G8Board.com
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post #1 of 5 (permalink) Old 07-08-2011, 05:43 PM Thread Starter
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SC Forum Issue/G8 TCM Issues

For the superchips staff: Myself and some others have been trying to register to post on the SC forum, but we cannot get an activation email generated. I have personally tried two different emails with no luck and others are saying they have not received activation emails as well.

If anyone is checking from SC, we have developed an issue with the TCM tune that we would kindly like addressed. It can be seen in the following thread:

https://www.g8board.com/forums/showthread.php?t=48509

Essentially, the SC TCM tune is causing some change in the adaptive shift strategies of the G8 and in some instances, causing loud booms and lashing in the driveline on various shifts. This adaptive shift issue was verified by an adaptive shift reset by GM dealers, which caused the transmission to return to "normal" behavior. We should also note that nobody with a stock TCM file has noted any booming or lashing. One member commented in the thread that it's possible that the Torque Management switches have been completely turned off, amongst other things. If nothing else, I think there should be an option to keep the stock TCM file completely unchanged, even if we would like to use the ECM tune.

Any help would be greatly appreciated from the G8 community. Thanks!

2009 G8 GT


35W HID, LED fogs, custom front/rear Pontiac symbol badges, sharkfin, BlueStar Bluetooth, GXP front end, GXP diffuser, x-pipe, straight through mufflers with helmholtz chambers, RotoFab intake , Eibach springs, FE3 shocks/struts, BMR rear subframe inserts
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post #2 of 5 (permalink) Old 07-08-2011, 07:13 PM
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Send [email protected] a PM, he'll get things resolved.



Trigger - Fully Loaded 2008 Stealth Blue Pontiac G8 GT

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post #3 of 5 (permalink) Old 07-09-2011, 04:35 PM Thread Starter
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Thanks SRG

EDIT: PM Sent. Hopefully we can resolve the issue

2009 G8 GT


35W HID, LED fogs, custom front/rear Pontiac symbol badges, sharkfin, BlueStar Bluetooth, GXP front end, GXP diffuser, x-pipe, straight through mufflers with helmholtz chambers, RotoFab intake , Eibach springs, FE3 shocks/struts, BMR rear subframe inserts

Last edited by romeyjdogg; 07-09-2011 at 04:48 PM.
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post #4 of 5 (permalink) Old 07-10-2011, 09:52 PM
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Still nothing on my end in terms of a confirmation email.

2009 PBM G8 GT
TVS 1900 Maggie w/2.8" pulley (9-10 PSI), Maximizer LTs, High Flow Cats, LS9 injectors, Rotofab CAI, LC-2 WB, 40A KB BAP, TR6ix plugs, self tuned [250+ flashes], Camaro Paddle Shifters, UPR catch can, 4300k HIDs, Remote Start Heated Seat Control Module , Aeroforce Interceptor Gauge, JBL GTO628's, JL 8w3v3's w/JBL P180.2, Bridgestone RE-11 tires
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post #5 of 5 (permalink) Old 07-11-2011, 08:24 AM
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We haven't changed any of the code other than to work with any new dealer updates released so I am not sure what's causing this issue.

The best thing I can recommend at this point is to contact customer service directly on this issue.

Email works but calling works faster and you can get more detailed info to customer service when you speak to a rep directly that way which will help speed up the resolution.

Customer service can be reached at 888-227-2447.

Feel free to keep me posted on this situation. I will help where I can.

Scott
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