Kennedy Custom ECM programming pre-loaded onto an Autocal handheld tuner. Allows easy loading of tunes. Also includes a stock backup file of the vehicle original tune.

"Both my 2012 and my 2016 trucks are running Kennedy Custom ECM programming with all emissions equipment intact. Response is greatly improved and I routinely see 20+ mpg in mixed driving. -JK

2011-2015 Vb

2015.5-2016 3b

This item is for those who already own an EFI Live Flashscan unit, but would like to purchase tuning. It will require submission of the vehicle VIN and ECM serial number to be sent ahead via email. EFI Live licensing and loading of the tuning is handled by the end user.

Please note: I did not diagnose your truck. If the new unit does the same thing as the old unit then it's a misdiagnosis, but the transaction is final as there are no returns on electronics once installed.

Protect the vacant vehicle sub connectors from corrosion with this set of 4 dummy plugs. In this kit are plugs for the 3 temp sensors and the DEF injector electrical feeds.

Replacement ECM module for 2011-2014 LML Only. These are new/new old stock units. Some scuffing, but overall new condition. These units are blank and require programming. Programming can be done via Kennedy Custom Autocal or factory stock can be done prior to shipping for an additional fee. Some on vehicle setup required ie: injector flow rate programming etc.

We keep these in stock and program to your VIN so you can just drop in and go.

Brand new OEM Allison TCM programmed with your stock file based in VIN. Plug and play installation. This model fits 2009-2010 LMM and 2011-2014 LML that were equipped with the A50/T14 TCM module. Please verify this by checking the numbers laser engraved on your module. Please include model year and VIN in your order notes when you order. 

Matching core return required.

Please note: I did not diagnose your truck. If the new unit does the same thing as the old unit then it's a misdiagnosis, but the transaction is final as there are no returns on electronics once installed.

The new units WILL NOT work in the Kodiak medium duty trucks. The proper software has never been developed by GM.

2011-2015 Vb

Price includes freight for 48 states.

Use this item if you need to unlink your Kennedy Autocal. Any Kennedy Custom ecm programming previously loaded will NOT work with the Autocal or vehicle any more.