weston
Junior Member
I have a 2012 Ram 1500. I recently replaced my shift pack solenoid due to truck getting stuck in 4th gear. Doing this did fix that issue but now for some reason when i drive the truck it shifts fine thru all gears until transmission temp hits 80 degrees. After that it shifts hard from 1st to second only. Then the rest of the shifts are good 2nd thru 6th. The truck can be 79 degrees and under on trans temp and it works fine. But as soon as it reaches 80 degrees the problem begins. Any ideas