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Showing results for tags 'Update TCM problem'.
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Hello all, thought I would share some problems I have recently started having with my truck and curious if anyone else has seen or heard of these problems. I have a 2021 1500 custom with the 2.7 and absolutely love this motor and truck but earlier this month I started the truck like normal and pulled about 10ft and felt loss of power and a strong vibration. I got all kinds of codes and lights pop up including CEL, service brake, traction control turned off, serve TCM. I noticed the indication for the shifter was gone and the truck would barely drive. It would slam in reverse when I would try to cycle the shifter. When I turned it off and restarted it acted the same. I noticed I could not get my key to go all the way back when off so it would not come out. It would drive but never shift like it was in limp mode. I pulled up to a safe spot and turned the truck off again. Looked over battery and fuses then tried cranking again and nothing would happen. 2hours later when tow got there, truck cranks right up like normal. Got it towed to dealer and they said it was wiring harness problems and ordered parts. Fast forward 2 weeks they call and say everything is good to go. Pick the truck up and not even 1/4 mile down the road I stop at a red light and bam, all the same lights and codes pop up. Same problems I had before but this time I could hear a slight grinding noise under the truck. Get it towed once again to dealer and truck still would not crank for them. Next day they tell me they have a torque convertor on order. Got the truck in May and only have 11k miles on it and have never had an issue with it until now. Sorry for the long post.