US$ 19.95
6L Diesel 2008-2009 Hummer H2 6
6L V6 2014-2016 GMC Sierra 4
Module / primary service number: 16227797
-All controller types are currently covered from 1996 up through 2010
93 Camaro & Firebird LT1 Tune Service Hollander_591-07219 6L Diesel 2008-2009 Hummer H2We will send you a chip that will plug into your computer. A stock LT1 engine can typically benefit 15 to 20hp with an aftermarket chip, this number will be higher depending on the modifications that you have done to you engine. For programming purposes we will specifically need the broadcast code off of the current chip in your computer. This lets us know what calibration the vehicle came with from the factory and what starter file to use to start