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96 LT1 TA issue (Diagnostics)

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Old Feb 28, 2010 | 06:22 PM
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Bill(AR) 96T/A&93 Formula's Avatar
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From: Marshall, TX
96 LT1 TA issue (Diagnostics)

I am having a bit of a conundrum here. I recently installed a T56 in my car (originally an Auto) and I have a check engine light. When I open Jet DST and try to go to the Diagnostics tab I am unable to as its grayed out. I want to turn off the things related to the Auto to turn the CEL off. Now when I go to the program for my 01 Z71 I can change the diagnostics. Does anyone know why I don't have access to the diagnostics?

Thanks in advance.
Old Mar 1, 2010 | 03:58 PM
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Post has been sitting a day so I'll just add my $0.02 to stir up some action... I know with ODB1 you need a different PCM base code to when converting from an A4 to an M6. Quite a few tables are different and lots of tables (tranny shift, TCC, pressure, etc) are no longer applicable. However I'm not that familial with the early OBD2 (96-97) Lt1 F-Body PCM code. Maybe someone with more experience on this can add some info.
Old Mar 1, 2010 | 07:33 PM
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Bill(AR) 96T/A&93 Formula's Avatar
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Thanks Bob, maybe someone smarter than I will see this.
Old Mar 1, 2010 | 08:20 PM
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Why are you trying to turn off the A4 codes? Didn't you reflash it as an M6 when you installed the tranny, and wired it up (reverse lockout, skip shift, VSS pulse diffence)?
Old Mar 1, 2010 | 10:41 PM
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Bill(AR) 96T/A&93 Formula's Avatar
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Negatory ghostrider, I took the skipshift and reverse lockout out and redid the VSS tables for my gears and tranny. Honestly all I want to do is turn the light off as I drive the car 1000-1500 miles a year. In texas when you get an inspection if they see that light it fails most of the time (depending on who does it). Everything that I read and from experience with LS1 cars was that you don't have to reflash with and auto to 6spd swap but do with a 6spd to auto.

If I am being a moron please feel free to tell me as it won't hurt my feelings just help me get back on the path to non-moronville.

Originally Posted by Injuneer
Why are you trying to turn off the A4 codes? Didn't you reflash it as an M6 when you installed the tranny, and wired it up (reverse lockout, skip shift, VSS pulse diffence)?
Old Mar 2, 2010 | 02:28 PM
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Appears you feel you already have all the answers... I'll mind my own business.
Old Mar 2, 2010 | 05:30 PM
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Bill(AR) 96T/A&93 Formula's Avatar
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Originally Posted by Injuneer
Appears you feel you already have all the answers... I'll mind my own business.
Huh? that's not what I posted, as a matter of fact that's the complete opposite of what I meant, sorry if it came across that way. I do want help and didn't want to come across as the super serious guys I read on here, man the internet sucks for reading people lol.
Old Mar 3, 2010 | 02:50 PM
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Originally Posted by Bill(AR) 96T/A&93 Formula
Everything that I read and from experience with LS1 cars was that you don't have to reflash with and auto to 6spd swap but do with a 6spd to auto.
You don't have an LS1 car, so you need to ignore LS1 specific stuff.

Fred's right. You need to reflash the PCM with an M6 file. I can very likely email you one, let me know if you need it in LT1Edit or Tunercat format.
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