2015 GMC Yukon 6.2L 8 Speed

rgnbull1227 · Post by **rgnbull1227** » Sat Sep 12, 2015 7:46 pm

Just tried to tune the 6.2L and it gave me the "you calibration is not supported...." i did select Manual for the trans as I know the 8 speed is not supported as well. Went into the performance tune and the only options are:
Modify Stock Tune" and
"Original Backup"

I see others with same engine can select a tune. Whats the issue?

Post by **mikel** » Mon Sep 14, 2015 10:09 am

if you havent already please email the file to [email protected]

Thanks

2015 GMC Yukon 6.2L 8 Speed

2015 GMC Yukon 6.2L 8 Speed

Re: 2015 GMC Yukon 6.2L 8 Speed