When starting up a hill, at a slow speed, the transmission, will hesitate, almost stop, until the gas pedal is pushed down to get the vehicle moving. This is an ongoing problem, I have been told by dealer, that the transmission is adapting to my driving style, and will soon improve.
2015 Chevrolet Colorado transmission complaints
Page 3 of 3: complaints 41 to 45 of 45, newest first, as owners wrote them.
The transmission won't downshift while trying to accelerate after slowing down. The truck will start to very noticeably chug and jerk and not want to go from not downshifting when braking and then trying to accelerate. I have been close to getting rear ended when this happens and to avoid it I have to stomp on the gas pedal which then causes it to jerk erratically from downshifting too far and causing me to accelerate too fast and almost rear ending the vehicle in front of me. This happens every time I slow down to go around someone turning or slowing down to stopped traffic and then accelerating again. While driving with my wife at around the 200 mile mark it started chugging badly and she thought we were breaking down. It is very embarrassing when someone is riding with me because no vehicle should act like this. Gm should be ashamed of themselves. I have about 10,500 miles on my truck right now and this issue has been a serious issue since I drove it off the lot brand new. Took it to the dealer and they said it should take a couple seconds to shift from gear to gear. Its funny because I have driven a lot of vehicles and none of them have done that or took that long to shift. I know the transmission is supposed to adapt to your driving...which seems very unnecessary to me but obviously it is not working out for the colorados. Adaptive transmissions need to go and put a firm sporty shifting transmission in these trucks.
Purchased truck in november 2014. Crew cab z71. Had problems right at 200 miles. They said the transmission has to learn my style of driving. At 2,00 miles transmission and engine still don't talk to each other. I can accelerate and 5 seconds or more later the transmission reacts. In heavy traffic, a couple of cars get between me and the car I was following before it reacts and I have to slam the break. Always seems to be in the wrong gear. Will chug a lot until it gets up to the speed for that gear. Took it to dealer at oil change and they reset the control module. After 2,000 more miles, took it back because it still acted the same way. Took tech on drive and was able to duplicate all my concerns. He said that there was nothing he can do and that I needed to wait for ECM calibration from gm. He said he felt bad for me. Surely I will get in an accident because of this slow transmission that is always in the wrong gear. Currently I am at 7,000 miles. The only thing the tech could say was not to drive it in stop and go traffic....seriously. Clearly this adaptive transmission is bull crap and gm probably knows they have a piece of crap programming but can't figure it out. Please figure out this shifting problem, because other than this the truck is nice...too bad, because if they don't someone will get in an accident and hopefully it will not be fatal. Get rear ended because it doesn't accelerate when you need it to, or it finally moves when you are needing to break. Fix this now or at some point you will pay big....
Purchased 2015 colorado in august. While driving it I have noticed there is a problem with the transmission and engine synchronization between down shifting and maintaining proper RPM's. When driving a steady speed in traffic and you need to speed up a little the transmission does not down shift. When you give it gas to speed up the engine the rpms are to low and the engine bucks and is lugging very badly. You are at a point it feels like it will stall. This lugging has to be bad for engine. If you press down harder on the accelerator the transmission will down shift suddenly and the truck will surge forward quickly. I have almost run into the rear of vehicles while in traffic and trying to maintain flow speed.
I wanted to reach out to you on chevrolet?s claim that their engine achieves 305 horsepower. While it may be true that their engine achieves this figure it does so at a stated 6800 RPM. The 6800 figure is important to note because the trucks? Red line indicating potential dangerous operating conditions start at 6500 RPM. So in essence in order for an owner to achieve 305 hp they would have to be operating their truck in a potentially dangerous manner. Even in the 2015 colorado owner?s manual it indicates the danger of operating above the redline? ?do not operate the engine with the RPM?s in the warning area.? Gm is stating that someone can achieve maximum hp only by operating the vehicle in a dangerous manner....really?! I believe it will only be fair for chevrolet to re-evaluate their maximum horsepower prior to their engine hitting the redline.
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