GMkid222

As stated in title own a 21 TB 6.2. Love the truck however I am really curious about the refreshed interior trucks. If anyone has made the switch please elaborate on all the changes. Youtube videos never address the questions I have. Did they make the interior quieter? What did they refine? Is the bose system the same as the pre refreshed interior? Is the high country bose system the same they use in TB? Spending 20k to upgrade for a dash doesnt seem worth it but let me hear it from the owners that have both!

It’s looking like yes I’m taking the plunge on another AFM trash block. They even doubled down on AFM for T1 with dynamic fuel management that can go down to one cylinder…. I’d go new if they’d stop with all this “technology”. They claim AFM saves the consumer 5-7% fuel WELL with the amount of repairs you lose all those gains and then some. Plus if they want to use the environmental gain as the reasoning I would argue serious engine repair is less green LOL. It’s all about the money. Disgusted. And yes I realize any manufacturer you could have these problems but cmon!!!!

2015 Sierra Denali 6.2 112xxx miles----- had since new. List of repairs/issues: A/C system failure-repaired Drivers heated seat failure-element replaced Nav antenna failed-replaced Rear glass had to be replaced Awful shuddering/vibration from transmission-repaired All four magnetic shocks replaced both fronts failed around 55xxx and rears went bad around 80xxx miles Trailer brake controller failed-replaced Brake booster was extremely weak ran out of vacuum-replaced----not to mention this was very dangerous when backing into a parking spot or hooking up a trailer. Both front A-arms-replaced ************Most notably now the truck recently dropped a valve at idle and cracked the block entire engine needed 10k repair plus plus. Interior driver door harness went bad-replaced Fuel tank evap sensor failed-replaced Leak in moonroof headliner got wet-not addressed yet happened once Learn from me! The truck tows a trailer about 4 times a year if that and is/was always bone stock with regular oil changes. Tired of the excuses from GM and everyone saying "****** happens" the quality of these trucks is awful and thats not even going into the quirks and issues with some of the repairs that were done (everything done at dealer). Do not buy these trucks and if you HAVE to have a GM don't buy the Denali its just a badge and some seat stitching (you do NOT want to have to replace the mag shocks for roughly 800$ a shock) not to mention the very sub-par rough ride they provide. I've ridden in many SLT's same generation and they are better riding trucks no question. Long story short stay away and don't go through what I did with a 60k+ plus truck. I love(d) GM but the company has left quality in the rear view mirror theres no excuse.

The truck was doing the "open and close driver window" every time I started the truck for the past couple weeks. However today it did not recognize the door being closed and thought it was open leaving the interior lights on etc. This happened intermittently or it wouldn't recognize the door opening and always thought it was closed! I cannot tell whether the "open and close driver window" message is separate from the door ajar and window not working. Anyways I am getting VERY tired of giving the dealer 500$ every time this truck has a hiccup, which is often. What should I do? I read body control module or door harness, as of right now I'm just guessing. Battery is tight cleaned connections as well (they were clean starting out, also newer battery) any help appreciated thanks!!