GMC Canyon owners have reported 1 problem related to transmission stuck in gear (under the power train category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of GMC Canyon based on all problems reported for the Canyon.
Noticed a few days after I bought the truck it seems the transmission never knows what gear to be in. You can take off fine but when you try to add a little spped, does nothing untill a few more inches of pedal is applied then it accelerates way to fast, almost hit the car in front several times. Also, coming out of u-turn or freeway underpass, seems to be stuck in 6th gear, have to dang near floor it to get it to accelerate , all the while folks are trying not to hit me from behind since I am not moving very well. Freeway driving, same issues, say you are at 60mph and traffic clears and you try to add a little pedal to get to 65-70, I have to push down 2-3 inches before anything happens. Same when driving 30 then trying to go to 45, shudders and stumbles like a manual transmission vehicle would in 5th gear @ 30mph. You have to really stay on the gas and drive hard to for it to do any better. I took back to the dealer under warranty and was told this is normal according to GMC tech support. Not. I have been driving 45 years, many different cars, and this is in no way normal. It is not only agrivating but quite dangerous. Rrom what I have seen online, this is a very common complaint. Should take no more than some re-programming of the shift points and throttle position sensor.
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