Yeah you could disable it, but should be a way to make it work right too!
Seems if this was set correctly it would work? "4wd Low Reduction Ratio" I know when I used a scantool on my LT1 4l60E I found the speed way off and not locking up TCC till like 80 MPH...
You may need to use the trans ADX and do a datalog to see what's going on!
"==== 4L60-E Jump Shift Compensation Parameters =========="
Maybe keeping trans in third or shifting manually will help the skipshift? Scaler "Disable Manual Shift Pattern" is set on stock.
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