Well after some research theres no PCM reflash for my year tahoe HOWEVER there is a tsb i found while i was at the shop about cold weather shifting charactoristics. aparently its totally normal while the fluid is below 110 degrees to have that shift issue.thats probably why i dont have the issue...
Hey guys new here and bought my first Tahoe. I've got a 02 5.3 4x4
So heres my issue, 1st to 2nd shift is normal, 2nd to 3rd is kinda weird. sometimes its shifts perfect other times it sometimes weird. not a slip but like its confused for just a millisecond. A friend of mine says his does the...
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