#transproblems

We have a 2019 promaster 1500 with a failed transmission and sitting at the dealership since 2023 June. There's maybe 50,000km on it. We first had issues with the car not being able to reverse when put into gear, and upon bringing it to the dealership, we were told we need an entire...

While towing my boat my truck gets to a high RPM (4,000 to 4,500) before shifting and will not get out of 6th gear unless I let off the gas and let it down shift. I have video of me going 55mph in tow mode with cruise control set and it wouldn't shift up, it stayed at 4,000 rpm until I let off...

Let me start off with this...I bought the truck a month ago, brand new, it has 900 miles on it and a ton of problems. Any input would be great!! When driving around 25-40MPH, I get a vibration (almost like I’m going over a rumble strip) I take my foot off the gas and it goes away. Sounds to me...