4L80E shifting woes...
#11
I had this issue, go to the last page then check your tune you might have the same issue. I did the segment swap but missed this in the speedo part. it controls the trans even tho my speedometer was correct.
https://www.performancetrucks.net/fo...-546044/page3/
https://www.performancetrucks.net/fo...-546044/page3/
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