LBZ/ LMM Transmission Tune (2006-2010) -EFI

Optimize shift points and torque converter behaviour with trans tuning. Line pressures are mechanically controlled and can not be adjusted.

We will require a stock read off your TCM, either A40, or A50 as listed below

(E35A -------A40 - 2006-2007 DURAMAX)

(E35B -------A40 - 2007.5-2009 DURAMAX)

(E35B -------A50 - 2009-2010 DURAMAX)