KD Basic ECM programming for Duramax LBZ

Basic tune changes include passlock reset for engine swaps, speedo recalibration, factory updates, and fixing basic Diagnostic Trouble Code issues.

“This is not a complete tune. It does not fix P0087 issues. It is only a basic fix and requires the ECM to be sent in to or us or a suitable core must be provided. We will not provide a core for this item.” -JK