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Hey Everyone- I have a 2022 AT4 (5700mi) and its it has a shudder/hesitation during steady and/or light throttle acceleration between 25 and 70 MPH. Anyone else experiencing this or has and got it "fixed". Reproduced it for a ride along with the dealer, but need to figure out a plan or approach to fix this. They have mentioned maybe a fuel injector, maybe a new transmission.... Thoughts? Recommendations? Also, what site does everyone use to search for TSB's? -
I have a 2004 Sierra 4.3l v6 that has started to run pretty rough on idle like it wants to bog out, I noticed my exhaust tips black (don't know if that matters). I checked the codes and got the P0300 code random misfire. I have replaced the spark plugs and the spark plug wires as well as the ignition coil, distributor and the distributor cap. That did not seem to solve the problem and I've ran out of ideas. Anyone might have some insight on what it could be that is causing this P0300 code?
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NEW BILL SO WE CAN REPAIR OUR TRUCKS
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It's never too early to start talking about the process of shopping around for a dealer, pricing, the ordering process, deposits, and production delivery times. Although we're still months away from orders being accepted, this thread is meant to be a place where everyone can check in and share their experiences as they go through the process. I'm also going to document as many important dates in this initial post as I can. I'll attempt to keep everyone up to date on start of production, any ordering limitations, and when the ordering system will go live. NEW UPDATES AS OF: April 25th, 2018 T1XX- 2019 Chevrolet Silverado and 2019 GMC Sierra - Important Ordering / Production Dates Pre-Production: NOW - Captured Test Fleet Production Confirmed as of March 31st. Fleet Order Entry Avaliable On Crew Cab: 4/26/18 Double Cab: 6/21/18 Regular Cab: TBD Retail Initial Consensus Month Crew Cab: May 1st Double Cab: August 1st Regular Cab: TBD Initial Dealer Order Submission Process (DOSP) Crew Cab: 5/17/18 Double Cab: 8/16/18 Regular Cab: TBD Production Start Up For Dealer Delivery Crew Cab: Quarter 3 - July/August/September Double Cab: Quarter 4 - October November December Regular Cab: TBD 2019 Chevrolet Silverado Start Up Schedule 2019 GMC Sierra Start Up Schedule This post will be updated whenever new information becomes available. Please contact me if you can help clarify any of these dates.
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Has anyone had a rear compressor issue with a new Yukon XL Denali? My wife and I bought the vehicle at the beginning of October 2018 and within a month the rear compressor began running excessively. We took it into the dealership with bought it from and the service rep heard the noise but was unable to reproduce it later in the day with the technician so they sent us away with the vehicle. The noise became more and more regular so we took it to a dealership near our house and they heard it and acknowledged the problem, this lead them to replacing the rear compressor. The change of the rear compressor didn't do the trick and the excessive running persisted, this is where the frustration really set in. The service technicians were going to run diagnostics and service the vehicle after we brought it in MLK Day. The service department manager interrupted the process and essentially tried to bully my wife into accepting the fact that this is normal behavior for a GMC Denali line vehicle. She left the dealership in tears. I called the service manager in disagreement with 1) his treatment of my wife and 2) disputing the fact this is normal. His response was the discharge the video with a bogus report emphasize the vehicle was in intended working condition. Now the Denali is sitting at another dealership while they try to replicate the issue. It occurs 30-40% of the trips we take in the vehicle and the rear compressor will run anywhere from a few seconds to 20 minutes. Has anyone else had this issue and found a resolution? I'm to the point I'm almost willing to just sell the vehicle back for a loss to be rid of it. -
Ok, something just started happening with our 2016 GMC 2500HD Denali 4x4 with the diesel. The remote door lock and unlock won't work every time from either of our fobs. We bought this truck last August so I can't imagine the batteries in both of our fobs have died at the exact same time and only 7 months in. My fob gets used the most with my wife's fob barely getting used at all. Anyone else experience/experiencing this? And, what did you do to remedy it? I guess we can try replacing batteries first, but batteries only lasting 7 months in a fob? And both failing at the same time, especially given one gets frequent use and one barely gets any use. We know it's not a fuse because it does work from time to time. -
I have a 2015 GMC 3500 that won't start without spraying ether. It will turn over, but unless we spray ether it won't start completely. Took it to Chevy, and they said they fixed it by fixing the fuel switch, and it continues. Plugged it in and no codes show up. Truck has 160,000 on it... HELP! ASAP. TIA. -
Similar to the 18" post, I want to see a thread with a 100% stock setup and what size tires you put on for 20" stock wheels only. This thread is not for leveling kits or aftermarket wheels. Post up some pictures! Let us know what size your tires are and what kind. I'm really only interested in doing very minor trimming if needed. My last truck I just had to zip tie the liner a little further back. Thanks! My current stock AT4
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Zane Merva Executive Editor / Publisher, GM-Trucks.com April 26th, 2019 Our friend Tim Esterdahl from Pickup Truck and SUV Talk got an awesome chance to tour the Ft Wayne Assembly Plant. That's one of the two plants that produce the 2019 Chevy Silverado and GMC Sierra. Tim's tour was narrated by GM's Executive Chief Engineer Tim Herrick. Sit back and enjoy this look inside the manufacturing of the all new Silverado and Sierra. And if you like what you see, subscribe to Tim's YouTube Channel.
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I recently bought a used 2016 Sierra Denali 5.3L 4x4 in March with 48k miles. Truck has been great until yesterday (now 52k miles) when I ease into the gas it shudders and shakes like crazy until i punch it. The tach is bouncing up and down and it doesn't matter if it's in v8 or v4. It almost feels like it's a misfire but it's weird that it only does it when I'm easing into the throttle or going uphill. The truck has the 8 speed transmission. Has anyone else ran into something like this and would the manufacturer warranty cover the fix for this? -
Okay guys I bought this truck from a dealership in September. It was used and I got a 30 Day warranty. After the 30 day period, this is what’s happening. I got in my truck and noticed a rough idle. My truck would shake and out of no where the check engine light starts flashing and my traction control light comes on. I took it to my buddies and we got a P0308 Misfire Detected Cylinder 8. So I did some research.. I also had a code which was P219B. Air/fuel mixture ratio. I changed the spark plugs.. didn’t work. I moved coil packs.. the misfire didn’t move. So we watched Live data on the scanner and injector 7 was acting up. So we replaced all the injectors on that side and this truck is still missing.. I’ve ran seafoam through it and cleaned the throttle body and MAS. My buddy things I have a valve issue or something wrong with the cylinder… there is no AFM deleted or anything of that sort. The truck has worked flawlessly until now. 135,000 miles on it. The rocker arms all looked great. please someone give me something to try. I just want my truck fixed lol. posting a link below of what it’s doing… -
I am a proud owner of a GMC Yukon 2016 Denali. Since these cars are not officially available in Europe, I imported a Yukon. Basically, I am very satisfied with the vehicle. But unfortunately, I have a problem with the vehicle, and nobody could help me so far: The car vibrates quite heavily and uncomfortably. The vibrations started when I stopped at the side of the road to let my wife get out. The engine lamp flashed, and the vehicle had hardly any power left. I drove about 1/4 mile, stopped again, and switched off the car. Afterward, I waited for over one minute and then restarted the car. The engine light stayed off, and so I was able to drive on. Also, the power was as usual again. But from there on I had vibrations which I didn't have before. So I went to a service station to read out any errors and get some help. But there were no errors detected. Since the vibrations did not disappear on the next miles, I went to the dealer again. They reprogrammed the ECU unit with the latest software and balanced the tires. Nothing has changed. So I went to another dealer, hoping that it could help me in a better way. They told me that my tires were worn out and that they could cause the vibrations. We changed all four tires. The handling was a bit better afterward, but the vibrations remained. Because in my country there are just about 10 GMC Yukon and a few Escalades driving around, no dealer has a clue and can solve my problem. Therefore I did a lot of research on the internet and on the paid platform of GM (ACDelco TDS) - unfortunately without success so far. I am also familiar with the service bulletins for the 8-speed automatic transmission. But I can exclude these vibrations so far. I have some of these vibrations in my car. However, I have now imported the right oil from Texas by ship, and I will do the oil change within the next days. But the other vibrations are noticeable at any speed, even at only 1 or 2 mph or over 100 mph. Especially when I ride uphill or downhill, it vibrates a lot. As if I had no suspension in the back and the vehicle would bounce around. The vibrations are mainly felt in the seat. Very slightly also in the steering wheel. From the beginning, my car tends to steer slightly to the left. But I never paid much attention to this, because measuring the track showed that everything is ok. I am aware that a remote diagnosis is challenging. But perhaps you have any ideas where I should proceed with my further diagnosis? Is the suspension the right start, the drive shaft, or the wheel mounting? Or could it be the engine mounting? Or something completely different? What is the best way to proceed? -
I recently bought a Sierra 1500 Denali because I love this truck but I am now noticing parts are really hard to find, I want to replace or delete my quad steer but have no idea where to start or look. I haven't been able to find anything in hours. Any help?
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The LED lights in the passenger side headlight of my 2016 Sierra 1500 Crew Cab are sporadically not working. Sometimes the are on, sometimes they aren't. The driver side functions properly all the time. The main light in the center of the headlight works fine all the time. I took it to the dealership and they replaced the whole headlight. When I turned on the truck a few hours after I picked it up from the dealership the LED lights were not working again. Has anyone had or heard about this issue? I'm going to take it back to the dealership, but would love some advice from anyone else that has dealt with this issue. Thanks! -
Anyone else with a new 2014 Sierra having an issue with the frame rusting and paint/wax flaking off? I have 3000 kms and it looks horrible. I also own a 2011 Canyon service truck with 105kms and the frame looks like new. So irriating as my Sierra is a beautiful truck aside
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I'm interested in a quick read of the room. How does everyone feel about the news that GM is moving in the direction of an battery electric truck? Does the brand it's sold under influence if you'd be interested? Are you ready to buy one now or do you think we should wait it out? Thanks for your opinions!
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TIA for your help and time… BLUF: Ticking noise under truck, not heard from top of engine compartment. I noticed a ticking/clicking/pinging noise under my truck today, took a video, hopefully you can hear it. Anyone else? Truck was in Park and Neutral (Parking brake engaged) and still heard the sounds. -
Hey everyone. I have a 2016 Sierra Denali. A while back I opted to do away with the magnaride struts and installed BIlstein 6112s in the front with Cognito UCAs and BIlstein 5100s in the rear, also added Xineering bypass kit to clear the Magnaride errors. I had an issue recently with the stop mount on the drivers side strut blowing out. I contacted BIlstein about it and the rep told me he thought he had been told that the distance between the LCA and where the strut mounts into the truck frame at the top on a magnaride equipped Denali is shorter than a normal Sierra and that it was possible that the strut was too compressed, causing it to push through the top mount. Has anyone ever heard this or experienced this issue? I can’t find anything mentioned about it anywhere. I’m taking the truck in next week to get it fixed but if it’s going to just happen again I am wondering if I need to get different struts all together.
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Sharing experience for your info and any ideas you might have. My shiny new 2021 GMC Sierra Denali 3.0 Duramax Diesel with 4900 miles on it has been losing its mind. I get multiple, rotating DIC messages: “Service ESC”, “Service Parking Brake”, “Service ABS”, “Adaptive Cruise Control Disabled”, “Steering Assist Reduced Drive with Care”, . . . ). The error messages come with other “benefits” besides disabled cruise control. I also enjoy no GPS signal, no Blind Spot sensors, no collision avoidance sensors, and who knows what else. Fortunately, the diagnostic codes were stored so the tech could see them, and I provided video of the DIC messages each time, too. They are on their 4th attempt to repair it now. First time, they replaced the Exhaust Particulate Matter Sensor (4025920) . Second time, they tried the same thing and replaced the Exhaust Particulate Matter Sensor, again. The 3rd time, they inspected the engine harness but found no damage so they replaced the pigtail to the Exhaust Particulate Matter Sensor and followed an 8 hr rest cycle and road test protocol. It worked for about 2 hours after I picked it up, then everything lit up again. This (4th) time, they are saying they will replace the entire wiring harness per GM’s direction. I do not want to use Florida’s Lemon Law, but I am starting the process just to be safe. BTW, I’m also getting the “long-crank/no-start” issue. They just applied the ECM update per TSB for this problem, so we’ll see if that worked when/if I get to keep the truck more than a couple hours between service appointments. I was having issues with the passive locking feature where the truck locks the doors a few seconds after I get out with the key in my pocket. It would not work even when set to on. Now that they did the Infotainment software update (V155) this seems to be fixed. I’m still having false messages that the SD Card for the Navigation System has been removed when it has not been. GM has a bulletin out so they know about this issue, but it appears there is no fix action on this one yet. After looking up each code listed on the repair orders (RO’s), I believe the main harness is a very likely cause of all the DIC error messages and system failures. Otherwise, all those modules and sensors involved have gone bad simultaneously. I suppose a power surge of some kind could do that, but then it seems the modules would not work fine in the short time between repairs. Here are the codes the tech reported on the last two Repair Orders (bold codes where noted on both RO’s): 2/5/22: B1A01 Speaker 1 General Electric Failure B395B Side View Camera Left P1488 Particulate Matter Sensor Protection Tube Performance U0020 Low Speed CAN Bus U0022 Low Speed CAN Communication Bus (+) Low U0077 Control Module Communication Chassis Expansion CAN Bus U0121 Lost Communication with Electronic Brake Control Module U0151 Lost Communication with Inflatable Restraint Sensing and Diagnostic Module U0155 Lost Communication with Instrument Panel Cluster Control Module U0184 Lost Communication with Radio Unit U0415 Invalid Data Received From Electronic Brake Control Module U0422 Invalid Data Received From Anti-Lock Brake System Control Module 2/10/22: B0967 Parking Aid On/Off Switch Circuit Short to Ground B1AO1 Speaker 1 General Electric Failure P1488 Particulate Matter Sensor Protection Tube Performance U0077 Control Module Communication Chassis Expansion CAN Bus U0121 Lost Communication with Electronic Brake Control Module U0131 Lost Communication with Power Steering Control Module U0151 Lost Communication with Inflatable Restraint Sensing and Diagnostic Module U0184 Lost Communication with Radio Unit U0415 Invalid Data Received From Electronic Brake Control Module U0421 Invalid Data Received From Suspension Control Module U0422 Invalid Data Received From Anti-Lock Brake System Control Module -
Like new, Pulsar LT for sale, bought direct from manufacturer. Box is included as well, just can't upload a pic of it for some reason. Had this installed on my 2021 Chevrolet Silverado, took this off when I traded it in. Works great, ~10 months of ownership. Looking for $400, shipping included, within USA. Venmo/Paypal/Zelle preferred.
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What suggestions or advice is available for buying a GMC | Chevy truck? What should I watch out for -- the GOOD and BAD? I want to come back to the GMC | Chevy family. For over 20 years, we owned a 98 GMC Suburban, putting over 230k miles on it myself, and I LOVED that truck. Other than typical wear and tear -- I never had any problems or issues with my Suburban. I am looking at 2016-2022 -- GMC | Chevy 1500 | 2500 series, all trims (4x4), except the base models. My budget is around $35k plus'ish; yes, I understand my budget limits what I can get. I am a USAF retired veteran living off a fixed income. Yes, we tow hitch pull RVs and various trailers, but not as often as before. What are the GOOD, BAD, and UGLY these days on the GMC | Chevy trucks? Is the additional price for either diesel and/or 2500 worth it? SHORT STORY: so, a few years ago, I bought a 2015 Ram 1500 4x4 EcoDiesel 6cyl w/turbo Lonestar -- well, I have been disappointed with Chrysler | Fiat (FCA). They lied about the EcoDiesel, and after forced recall ECM updates, they sucked all performance and mpg from the truck. Buying a newish GMC | Chevy, I do not want to fall into what happened with my 2015 Ram. When I had my suburban, I never had so many recalls, been lied to, and never had poor performance. Thanks for any suggestions that you will provide -- Gary (ExFalconFxr) -
Hello I'm having a problem with these headlight that I installed on my 2015 GMC Sierra. I install the newer Denali headlight the blinker light stay on and when I turn on the driver side blinker it flashes the high beams and stuff. I need some advice the harness I use was from GEN5
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2005 GMC Sierra 1500 4x4 5.3 Oil Pickup Tube O-ring Replacement
jmpidgeo posted a question in Ask the GM Technician
Hello all, 2005 GMC Sierra 1500 4x4 L33 5.3 with 208k miles. I did some research, and found that my oil pickup tube o-ring is most likely causing my oil pressure 'issues' The 'issue' is that in the morning during the first start up of the day, the oil pressure registers low enough to trigger the low oil pressure warning. At idle in PARK it will usually stabilize (when cold) between 5 and 20 psi, but it will drop below that when idling in DRIVE as well, during the first few minutes of operation. Asthe engine warms up, the oil pressure increases, and generally driving down the road when cold it reads 20 psi, when warm its 30-35 psi. Like I said, I believe the culprit is the pickup tube o-ring. My question is, what is involved in dropping the oil pan to replace this $5 part? Do I HAVE to remove the front diff and everything associated with it? -
Zane Merva Executive Editor, GM-Trucks.com 3/5/2018 With the debut of GMC's all new and very fancy MultiPro Tailgate last week in Detroit questions have been floated regarding various aspects of the design and how available the tailgate will truly be. So, we reached out to GMC directly and have some answers for you. Here we are in no particular order: Will the MultiPro be available on any trim level other than SLT and Denali? YES. Although only the SLT and Denali trim levels were mentioned last week, we can confirm the MultiPro tailgate will be available on the SLE trim level as well. Can I open the MultiPro with the keyfob? YES. Just the tailgate as a whole, however. There's no option to open the inner section unless you do it with the button on the gate. Will the MultiPro prevent itself from opening into mounted ball hitch? NO. This is the biggest issue we can see with the MultiPro going forward. The inner gate is fully susceptible to damage from a mounted trailer hitch. GMC does mention that a warning sticker will be present to remind owners not to do just this. Owners will have to remember going forward that if they leave a ball hitch mounted, the MultiPro WILL HIT IT. Will GMC offer a manual (cheaper) version of the MultiPro later on? UNDETERMINED. GMC wouldn't answer our questions about a cheaper, manual version of the MultiPro in the future. We think it would be a great idea and GMC punting the question means the option is in play for the future. Will Chevrolet ever get the MultiPro? LIKELY. Although no-one from Chevy is talking, we expect the Silverado to get the MultiPro (or a Chevy-named version) at some point in the near future, perhaps in model year two (2020)
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It's October 2019 and rumors are swirling around a potential General Motors Electric Pickup, code named "Project O" We just covered this news here: https://www.gm-trucks.com/your-first-electric-pickup-may-be-a-hummer/ We've created this forum as a place to discuss these future electric vehicles and the news around their development in the leadup to 2021.
