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- Wed Feb 13, 2013 4:37 pm
- Forum: GM LS1 512Kbyte and 1Mbyte and newer
- Topic: 1999 Grand Prix GT 3.8 need help reading programming
- Replies: 16
- Views: 16772
Re: 1999 Grand Prix GT 3.8 need help reading programming
I know this post is old, but I wanted to add some info if I could. TinyTuner can't write to the ECU, but it seems that people were/are using tunercat to burn tunes. I also found this http://www.j-body.com/forum/showthread.php?30773-OpenSource-GM-PCM-Programmer&s=ec3914ea171645090ab1b2d85921244b ...