I have a dodge 2006 3500 2wd drw with 48000 mi. An a banks ottominder 6 tuner with pda. Trans does not want to upshift unless i accel. Slowly. Under harder accel. Rpm's climb to 3000 until i let off a little. Tow/haul or od off selection has no effect. Rebooted tuner and pda. Truck has 2 long trips one to wy. One to fl. Both with truck camper and 14' tagalong. Any help will be appreaciated.