hello a friend of mine who has a 2005 cummings with auto recently bought a banks sixgun&speedloader. hes not useing the speedloader or thermocoupling so's he's tied the wires togather for the coupling and thats fine but its throwing a trans read error banks tech wont help because he bought it used instead of new from them. the sixgun worked fine in the previes truck but it was a manual i dont think theres anything wrong with the sixgun we're just missing somthing any ideas any adivice would be apreiataited