I was updating a Dosser module on a 2013 Dodge Ram 2500. Two engines were listed a 6.7 and a IL 6.7, The IL 6.7 had the TSB update, the 6.7 didn't. The only way to I found to be sure I was doing the right thing, is the TSB said use with sales code... XYZ . I t... Login to read more.