97 2500 4.10 auto transmission

Driving down the highway today at about 70mph, felt a bump, and my tranny came out of OD. Now it appears I have no 1st gear,and no OD. Ideas?

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Do you have reverse? Dodge had not changed trannys in a long time they have updated and obviously added the overdrive but that is basically a electronic switch. The band set up has not changed though. 1st(low) and reverse are controled by the same band. so if 1st(low) is out or slipping reverse will be also. You might have stretched or broke the low/reverse band.My 95 did basically the same thing and that was the cause. I actually replaced it with a band I had from a 78' dodge tranny. The trick was getting the right tools to remove the plastic switches w/o breaking them. Just in comparison I also replaced the front diff. (cause i had broken spider gears) in my 95' with a diff. from a 74' w/same gear ratio. it worked fine just had to adjust for backlash. just a thought hope it helps
Ryan
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