This switch works with the LB7 engines only 2001-2004 model years.

This is a blank Autocal V3. In order to use this device it needs to be linked to a Tuner, configuration files loaded, and tunes created. We can provide all this at an additional charge.

The EFI Live Flashscan V3 scan and tuning tool works with supported GM vehicles including Duramax through 2016 model year. It allows the end under to create their own tunes or to purchase tuning for their truck. It does not include any tuning nor does it create any tuning on it's own.

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.

This switch works with the LLY engines only 2004.5-2005 model years. Does not work with 2006 model year.

This switch works with the LBZ and LMM engines only 2006-2010 model years. Also works with 2006 model year Vin 2 LLY.

Additional license only used to tune additional vehicles.

"We will need your EFI Serial number and authorization code from the tuning tool along with a valid email address in order to complete this order. Details will be emailed to you after purchase. This can sometimes take up to 24hrs or more so please be patient." -JK