Recently had a Revmax upgraded AS69RC installed in my 2014 single cab 3500.
It currently has less than 1000 miles on it.
First 2 hour trip down the interstate, it downshifts out of 6th and won’t go back up.
Immediately stopped and checked fluids.
All good.
Let it sit for a few minutes and take off again.
Shifts perfectly for about 2 minutes and then does it again.
Then I lose 5 and 4. And it’s been holding there. Except on my takeoff.
There’s nothing there and then it slams into gear.
Put a code scanner on it and it pulls a code for the output shaft speed sensor.
After making several threats and making an *** out of myself, I get my part, install it, and it changed nothing.
Idk what to do now except file an insurance claim LOL.
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