I installed a brand new 12625455 ECM direct from GM today with a fresh programming session in SPS and the same issues persists. I used an original key so I didn't need to do the 30 minute relearn,...
Type: Posts; User: jimtruett
I installed a brand new 12625455 ECM direct from GM today with a fresh programming session in SPS and the same issues persists. I used an original key so I didn't need to do the 30 minute relearn,...
About 8 months ago I reprogrammed a 2008 E38 ECM to work in a 2009 Escalade with GM SPS. At the time I didn't know I would essentially brick the 2008 ECM for future programming, but never the less it...
Thank you for the assistance. I tried that, and no real change was realized.
I ended up adding to the 2-3 maximum adapt volume, and added a little to the #1 and #2 oncoming pressure presets for...
I'm having a bit of an issue with the 6L80E in my 2008 Yukon Denali. It is a fairly fresh build with all new soft parts including TEHCM and Sonnax valve body. I have attached the tune file and my...