My 04 3500 at 65 to 70 and just cruising smooth for a split second is doing something like slipping or trying to shift I can feel it and the rpm jumps up maybe 100 orr 200 rpm and it only last less than a second it may do it one time and no more or several times in a few min and when it does it over and over the chime rings, this has only happen a couple times and its not throwing a code. Some days its worse and sometimes it dont happen and I drive 200 miles a day round trip to work. I replaced the APPS with the timbo about 6 months ago . This started a couple weeks ago. I was wondering if it was the AAPS causing the TC to unlock???