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Hey all, 2017 Silverado, 5.3/6spd. My transmission issue only happens when I first drive the truck for the first time in the morning. The truck has to have been sitting overnight for this to occur. After starting the truck and driving, the trans will "fish bite" or stutter when shifting from third to fourth. It will do this once, (maybe twice) and be good and problem free for the rest of the day. Has anyone else experienced this? It only happens when the truck is first driven after sitting overnight. It's not really a major issue, as it doesn't happen again after the first time, but it's pretty annoying. This issue only occurs at light/part throttle, and my speed is around 25-30 mph. I do not notice any variances on the tach while this happens. Also, if I drive with more pedal/throttle, I will not experience this stutter. I spoke with the dealer about this when I went in for my second free oil change, and they could not replicate the issue. During my first trip to the dealer, they downloaded a program update for the transmission. It helped overall, but the isolated problem is still present in the morning. I have read somewhere on this forum, that this was a "normal" occurance, and attempts to remedy should not be attempted. I believe that post mentioned that transmission fluid temperature played some part in this. Any ideas or input? Thanks in advance! Steve
Truck Does Not Run Right...Tachometer Bounces...Hesitation from the start...Going up hills is Jumpy...Skips and Bucks, Feels like truck is Misfiring...Transmission shifts are consistently Rough and Random... Dealership confirmed the problem after test driving and they then found TSB #PIP5457C: Surge hesitation Chuggle Misfire Feeling With A Light Tip In - (Feb 10, 2017) which they believe match's the problem. The Dealership says GMC is aware of this (TSB #PIP5457C) the cause is unknown at this time. Do Not Know How Long It Could Take To Get A Fix. I called GMC customer assistance and requested a replacement or buyback they opened up a case number for me. They next day GMC customer assistance denied any kind of replacement, trade assistance, or buy back. Closed my case because they do not know what the cause is at this time and do not have a fix for the problem. I was told I must drive the truck (AS IS) until such time a fix is available. They also encouraged me to exercise the Lemon Laws in my state if I wished to pursue a replacement or a buy back. Extremely unhappy with my first GMC Truck and that's a shame because it’s a beautiful truck It just happens to be a Lemon that runs like Crap... Just keep driving (AS IS) is not what I paid for...I hope someone else has any insight to how to fix this problem. I hope others will post there concerns as well so we can get these trucks fixed or replaced...