Transmission Stuck In Gear Problems of GMC Acadia

My Acadia started acting up and shifting gears hard when going up mountains then it started not wanting to change gears from 3 to 4 and the code ran was shifter stuck also once getting it in the shop was reading 3 other transmission codes and was told my transmission will need to be rebuilt for $2800. 00 I was also told that this vehicle when made was notorious for transmission issues and that gm was covering the problem up to 100k miles mine now has 168k but I was never told and it didn't show as a recall to have anything done about this. As a single mother of 3 $2800. Isn't easy to just come up with especially after having has other problems that had to be fixed. What can be done about this?.

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Numerous uncommanded gear changes. . . . Car became stuck in 2nd gear. . . . Moved to right lane of interstate highway. . . Event occurred during heavy thunderstorm. . . . Car almost uncontrollable. . . . Finally came to an exit. . . Car creeping along. . . . Pulled into service station and stopped at pump. . . When trying to restart. . . . Car would not go forward. . . I was able to back to clear the pump. . . Very scary incident. . . Internet reveals numerous incidents of a similar nature. . . All were involved with 2008 GMC Acadias. Incident occurred Sunday 5 July 2015. Unable to enter date of incident.

See all problems of the 2008 GMC Acadia 🔎.

Power steering failed and transmission stuck in 3rd gear from a stop, couldn't move out of the way of a car and got hit.

The contact owns a 2008 GMC Acadia. The contact stated that while operating the vehicle the transmission would intermittently became stuck in gear and the vehicle would not drive forward or in reverse. The vehicle was restarted and operated as normal. The vehicle was taken to the dealer, who diagnosed that the transmission and warmer plate needed to be replaced. The vehicle was repaired. The manufacturer was notified of the failure. The failure mileage was 100,000.

Transmission failure - wave plate broken forcing vehicle to be stuck in one gear and fail in reverse, 3rd and 4th gears. Automatic transmission slips in reverse, 3rd and 4th. Multiple owners report same issues and recall is needed by gm on the Acadia transmission.

My transmission started to fail while driving at a high rate of speed on the highway. The vehicle was getting stuck between gears as I was traveling up hills. Transmission failure is a very common issue with early Acadia's (with low mileage) and a recall needs to be issued. I have taken it to the dealer who recommends a complete transmission rebuild or replacement.

As I was pulling off of the interstate onto rockville rd I noticed that the car upshifted from 3rd very violently. I then hit a stop light and it dowshifted pretty rough as well. I thought uh OH and noticed the check engine light come on. When I pulled away from the light I noticed the car was most likely stuck in 3rd gear as the rpms matched the mph and from driving a stick all those years they made sense. I later found out this was done on purpose to stick the transmission in 3rd gear to further damage it and allow you to continue to drive. I got to work and had onstar run a diagnostic. It came back with a p2715 code for the transmission control. After looking into this code it appears to involve the 3-5-r waveplate that controls the clutch for these gears. I, of course, am 6 months out of warranty on the drive train. After confirmation with GMC it was the wave plate. This appears to be a common problem cropping up with this transmission when you look around social media.

I'm concerned about the safety of the 2008 GMC Acadia and similar gm vehicles, as I was driving with my family out of town when the transmission suddenly had problems shifting in and out of gears. While driving the weekend after thanksgiving and approximately 4 hours from home, our 2008 GMC Acadia started down-shifting hard after passing a vehicle on the highway. A few minutes later this repeated, and then the check engine light came on. Soon after, when almost to our destination, the vehicle had no power to get up hills on the highway, and once we exited, could barely make it off the exit ramp and through a very busy intersection. It seemed to be stuck in a high gear. Being late Friday afternoon on a holiday weekend and now in a rural area, there weren't any repair shops that were either open or could look at it. So we had to rent a car and attempt to drive the Acadia back another 40-50 miles to get to a chevy dealer that was open and could at least checkout the transmission. On Saturday they confirmed it was the transmission, and specifically the 3-5-r wave plate, but the vehicle wouldn't be ready until the following week. Later I researched and found this to be a common problem, but it still wasn't being recalled by gm. Luckily we were barely (1 month) inside of our power train warranty and didn't get hurt. I will say that the chevy dealer that did the repair was great to work with, especially since we were from out of town. But now I'm worried about being able to safely drive this vehicle for any significant distance from our home.

Transmission stuck in low gear causing dangerous driving condition.

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I was driving to visit my daughter up at college and drive her and 2 friends home. As I drove though the college town my car started acting funny. Just not accelerating and the rpm were racing, transmission appeared to stuck in first gear. Drove as little as possible just needed to get home safe. As I was driving home, again car not accelerating properly. I drove though the ezpass toll on the tappan zee bridge and my car just wouldn't go. Drove along it was very scary. I had to stop on the side of the road in the bronx. Eventually got it to the dealership who replaced the revers clutch plate.

My 2007 Acadia would drive above 50km it finally broke down and wouldn't move. We had to get a flatbed truck to take the car in to gm and found out it was the sway bar that was broke as well as the crankshaft sensor and just a month before this we had issues with the steering wheel that had to be fixed. There has been so many things wrong with car its unbelievable I went to trade it in and finding out that we paid 45,000 for it brand new now its only $20,000 at the max we can get for our awd Acadia with most of the bells and whistles. Now it is lacking power in acceleration again merging on highways or pulling out in traffic the car lulls out and sounds like its stuck in neutral and it finally kicks in and goes very dangerous I could of been rear ended the other day because of this it was a close call.