i have the same prob with my 2000 1500, same DTC of 1740....check out this thread...
http://www.automotiveforums.com/vbul...d.php?t=165652
also look at this one; dont know if your shift pattern is off also, but this is what a dodge mechanic told me the problem with my truck is....
http://www.automotiveforums.com/vbul....php?p=1505836