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View Full Version : Does any body have a OS 2000 to 2002



RandyWS6
August 20th, 2007, 03:16 AM
I have tryed and tryed to switch over from OS-09381344 to OS-12212156 and every time i do i get a flashing SES light but no codes ive tryed four differant times and get the same thing.And i have a custom tune for my LS2 418cid. This for a 2000 WS6 TransAm M6

2011

2010

Happy Jim
August 20th, 2007, 07:24 AM
Yep,

Bear with me while I dig a copy out for you.

Jim

Happy Jim
August 20th, 2007, 07:42 AM
Here you go, it's COS 3 (came from 9381344 then to 12212156 then to 02020003 (COS3)). Careful as it's in SD mode set up for mine (obviously), (LS1, TR230 Cam).

Rgds

Jim

SSpdDmon
August 20th, 2007, 09:26 AM
Here's the one I have.


2000 A4 f-body file.

RandyWS6
August 20th, 2007, 11:46 AM
Thanks, ill try it.

SSpdDmon
August 21st, 2007, 01:49 AM
Thanks, ill try it.
Keep in mind a flashing SES light usually means misfires were detected. On cam'd applications, the misfire tables can be too touchy and may require some adjustment. For my car, I just increased them (C5622, C5623, etc.) 200% across the board.

RandyWS6
August 21st, 2007, 07:40 AM
I have a custom tune with the misfire codes removed for a long time and never had any code with the tune that i have with my custom 2000 OS 09381344, When i installed the 2001+ OS 12212156 and change all my 2000 OS over is when i get the SES (Flashing light) and that's only when at cruse or WOT but not a idle. And when i scan the codes there not any!!! Its all most like a ghost light.