hard/delayed shifting, slipping, shuddering , like rumble strips at certain speeds. Jerking, bucking, or significant delays when shifting gears. Shuddering/Vibration: A feeling like driving over rumble strips, especially at certain speeds and when warm
2024 Chevrolet Silverado 1500 transmission complaints
Page 3 of 4: complaints 41 to 70 of 98, newest first, as owners wrote them.
For the first time I purchased a brand new vehicle off a dealership lot…What a mistake. While the dealership itself was an awful experience I thought it was worth it for a Chevy Silverado. After all my previous one was so reliable. WRONG. The first issue I found was I was unable to shift into reverse to back out of the driveway of a fire station I volunteer at. After driving forward a couple times and shutting the vehicle off and shifting multiple times I had to be towed out in reverse. I was able to drive home but the transmissions slipped once and the vehicle slowed abruptly. The check engine light was now on. I dropped the vehicle off at the dealership over the weekend and on Monday they called and informed me the 2024 Silverado misfired once and nothing was wrong with the transmission. There was nothing they could do. About two months later I was driving to work as a career firefighter/paramedic when my vehicles check engine light came on and a message informed me that I was in “reduced acceleration mode”. I slowly and carefully made my way to work and brought the truck to the dealership after my shift. The check engine light was now on again. They informed me later that day that I had a faulty valve body in my transmission. They “unfortunately” could not give me a completion date on my repair as they had no ETA for the replacement part. It appears the part is in high demand. This makes sense as a quick google search shows this is a widely known issue with the 10 speed transmission. So far I have been unable to get a rental vehicle between the dealership and GM. Aside from my house my 2024 Silverado is the largest purchase of my life. And at 15,000 miles I am without it for the foreseeable future. As a first responder the communities I serve depend on me to respond from home at any hour. My family and I are living in a DIY renovation while also starting a farm business. I need a dependable vehicle and regret spending $53,000 on a new vehicle. I have more to say.
Hairline crack developed on the transmission cooling line at the connection of the thermal bypass block. After looking up it seems to be common. Yes, there have been user-reported issues with transmission cooler lines leaking or cracking on 2024 Chevrolet Silverado models equipped with the 3.0L Duramax diesel engine, including at or near the thermal bypass block connection. These reports primarily come from owner forums and appear to affect a subset of vehicles, often discovered during routine maintenance or after noticing fluid spots under the truck. Symptoms can include hard shifting, fluid seepage on the undercarriage, or low transmission fluid levels, with some cases progressing to require towing if not addressed early. For instance, multiple owners of 2024 Silverado 1500 models (including ZR2 trims with the LZ0 3.0L Duramax) have described leaks originating from the cooling line block or thermal bypass area next to the oil filter, sometimes involving hairline cracks in the lines themselves.  In one detailed account, a 2024 model with around 35,000 miles experienced fluid leaking from the cooling line block, leading to replacement of seals and the entire line assembly due to cracking discovered after initial repairs.  Similar problems have been noted on closely related 2023 models, where leaks at the thermal bypass valve necessitated replacing the valve, O-rings, and all cooler lines, with some users reporting hairline cracks as the root cause.  Parts like the lines have been on backorder in some cases, causing repair delays, and resolutions are typically covered under warranty (e.g., powertrain coverage up to 100,000 miles), though repeated visits to dealerships are common. These issues seem tied to the 10L80 10-speed transmission paired with the 3.0L Duramax, where the thermal bypass valve can contribute to overheating or fluid flow problems if faulty, potentially exacerbating line wear
The coolant control valve and the transmission control module are having to be replaced on thousands of Silverado 1500s from 2022 to 2025. Both parts have been updated, but there is no recall and many people are being left stranded due to this. Mine has not currently failed, but I am older and really don’t want to get stranded due to a known issue. Why wouldn’t they have been forced to do a recall General Motors should be replacing these as a preemptive precaution.
Complaint Description On Tuesday October 28th, 2025 while driving to work, my 2024 Chevy Silverado LTZ suddenly went into limp mode during normal driving. The truck would not go into reverse at all. I had to use OnStar to call a tow from my residence because the vehicle was not safe or able to be operated. The truck has been at the Chevrolet dealership since that day and as of today (November 7th) it still has not been repaired. The service department confirmed it is a failed transmission valve body. Research shows this is a recurring and known issue on many GM trucks and GM does not appear to have a permanent fix yet. Component/System that failed: Transmission Valve Body failure. Component is currently located at the GM dealership and is available for inspection. Safety Risk: This failure caused sudden limp mode, loss of power, and inability to reverse while in active traffic. This put my safety and potentially other drivers at risk due to sudden unexpected deceleration and inability to maneuver safely. Problem Confirmed: Yes. Confirmed by GM dealership service technicians. Inspection: The vehicle is currently at the GM dealership. No manufacturer field rep, insurance, or police inspection has occurred yet. Warnings / Codes Present: The failure occurred without prior early signs that morning. When it failed, OnStar diagnostics reported: P2732: Transmission System — “Engine and Transmission System not performing as expected.” P0700: Transmission Control Module requested Malfunction Indicator Lamp illumination. Emissions related DTC set in the Transmission Control Module. Both codes triggered at the time limp mode activated. Best Assessment: This appears to be an ongoing recurring GM transmission valve body issue affecting newer GM trucks. The failure caused a sudden loss of drive capability and is a safety hazard that requires the federal safety agency investigation.
8 Speed Transmission without any warning, started shaking and clunking and slipping while doing 55mph in traffic causing sudden loss of momentum. 8 speed transmission failure. Dealership says bad transmission control module and won’t inspect internal components. Chevy is still playing games with people with their defective 8 speed transmissions. They have not fixed all of their previous problems
Truck did not have reverse. Service engine came on after going forward and possible loud shudder like going over a pot hole. Not sure if it was a pot hole or transmission. Dealer fixed the valve body in Transmission after 1 week.
The contact owns a 2024 Chevrolet Silverado 1500. The contact stated that while driving at an undisclosed speed, there was an abnormal burning odor entering the cabin of the vehicle, and the rear windshield shattered, with white smoke entering the vehicle. The transmission and engine warning lights were illuminated. In addition, several unknown messages were displayed on the instrument panel. The contact pulled over to the shoulder of the road and the vehicle was towed to a local dealer for further investigation. Prior to the failure, the vehicle was taken to the same local dealer where the OS Sensor was replaced. The vehicle was not diagnosed or repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 23,000.
Vehicle defect appears related to recall but dealership is unable to identify without tear down of engine. Previous dealership when first reported non responsive. Manufacturer refusing to further fix and or resolve outstanding safety issue of major safety concern.
Component: Faulty "Coolant Control Valve" causing reduced acceleration, and check engine light. Fan is constantly on. Safety: Can overheat, reduced acceleration can cause accident. Problem reproduced: Dealer did check/confirm codes and errors Warning Messages: No warning or messages prior.
Experience hard shifting into park from a stopped position a week or more prior to incident. While driving, several hard shifts were experienced which resulted in the vehicle unable to surpass 30 MPH. CEL illuminated displaying codes: P0747 and P0700. Suspected transmission Valve Body issue. Vehicle was towed to dealership that it was purchased from.
Component/System Failed: Power Train – specifically, the #6 lifter failed and is available for inspection upon request. Safety Risk: The failure caused noticeable engine misfiring, loss of power, and abnormal ticking sounds, which could potentially lead to engine stalling while driving. This creates a serious safety risk, especially during highway driving or merging situations. Confirmation of Problem: The issue was confirmed by a certified GM dealership technician, who diagnosed the failure of the #6 lifter. They advised that the lifter and potentially the camshaft need replacement. Inspection: The vehicle has been inspected by the dealership service department. No inspection has been conducted by police or insurance at this time. Warning Signs: Prior to failure, there were no warning lamps. However, the vehicle began exhibiting a noticeable ticking noise followed by rough idling and reduced performance approximately 71,000 miles.
The contact owns a 2024 Chevrolet Silverado 1500. The contact stated while driving 91 MPH, the vehicle was shaking erratically. No warning light was illuminated. The vehicle was taken to the dealer; however, the failure was not duplicated. The contact was informed that it might take a week to complete the diagnostic testing. In addition, the contact stated while driving at an undisclosed speed, the tailgate independently unlatched. The vehicle was taken to the dealer; however, the failure was not duplicated. The contact was informed that the tailgate switch would be replaced, however the part was on order. The contact stated that the tailgate switch was not replaced. The vehicle was not diagnosed or repaired by an independent mechanic or the dealer. In addition, the contact stated that the failure was intermittent but had occurred four times. The contact stated that tools and other items were lost because of the failure. In addition, the contact stated that on one occasion the tailgate independently unlatched, and the tailgate almost struck the vehicle behind the contact's vehicle. The contact stated that the vehicle was taken to several different dealers because of the persistent failures. The manufacturer was not made aware of the failure. The failure mileage was approximately 1,900.
Lost the high gears on the interstate. Had keep it under 60 to keep RPMs under 4000
Valve body needs to be replaced. The truck is still under warranty. I have taken it to the dealership, they ordered the part and told me it was safe to drive in limp mode. I've since been waiting a month for the part to come in without a replacement vehicle. I can't drive to work and am losing quite a bit of business. There is a valve body in stock 97 miles away and GM will not ship it to my local dealer or help me in any way. The truck will not make it 97 miles for the repair. The check engine light stays on for a few days and goes off. I can only drive about 10 miles before it goes into limp mode and the dash will tell me I have reduced acceleration and to drive safely. As far as the safety of me and others UNKNOWN. The dealer has confirmed there is an issue but insists I continue to drive it even though I'm damaging the transmission.
New police vehicle on the road for only two months with only 6030 miles on it. Check engine light came on vehicle lost all power, no reverse, transmission would not shift. Warning came up about decreased acceleration. Managed to get vehicle to dealer, computer scanning stated that transmission valve body failed.
My Silverado has what seems to be a known issue with recent model Silverados which is a broken/blown valve body at the transmission. The week of the failure, my truck began having rough shifting from first to second gear first thing in the morning, but would be fine after that. Two days later this progressed to all of the gears and nearly stranded me and my kids on the interstate due to not being able to maintain speed. I got the truck to the dealership where they looked up diagnosis code and told me it was the valve body and it would require replacing. Unfortunately, the part is on national backorder with unknown delivery time. Looking online, it seems this is a known issue and parts seems to be months (6+) behind. I am stuck paying for a rental car that GM says I will get reimbursed for, but we will see. To complete the questions above, I did not notice any warning lights or notices until it failed.
When in Normal Drive mode, an unexpected or accidental bump of the Transmission T-Handle shifter between the seats towards rear of vehicle while at a stop sign or parking lot, etc. will "Lock The Transmission in Low Gear 1 out of 10 available gears". If one pulls out into traffic without noticing this event, the engine will approach redline without shifting into the next gear until the situation is acknowledged and the T-Handle is one again pulled back to reset it into automatic drive mode. This is frustrating and potentially dangerous if the situation is not recognized quickly. I suppose engine damage could be at risk. There is "No save the engine by automatically selecting the next gear if this condition happens. There is also no lockout requiring the T-Handle Shift Button on the side requiring to be pushed to acknowledge the desire to set this mode". I tested similar settings on Honda Pilot and it DOES UPSHIFT even if in this manual mode to protect engine and occupants from this difficult situation. I personally will no longer allow any others to drive my truck until this situation is remedied. It appears to be dangerous to me and my truck for those who have no idea this can occur. Please try it for yourself. Vehicle must be similar to 2024 Silverado High Country w T-Handle shifter between the seats. My hope is an over the air update can remedy this situation.
Pulled into parking lot and went into a store. Upon leaving I noticed the vehicle would not back up when placed into reverse gear. The engine would rev but, no movement. I pushed the vehicle backwards and then restarted it. The vehicle would move forward. I stopped and attempted to try the reverse gear a few more times with no luck. As I started driving on the main roadway toward the GM dealership, the vehicle upshifted once and then displayed a warning along with e check engine light. Once at the dealership, they scanned the vehicle and confirmed a transmission issue. The vehicle never showed any symptoms prior to the failure.
I got my new 2024 Chevy Silverado 2.7l turbomax custom 6 months ago. It shifts weird the first few times from a cold start. I have asked the salesman and he said yeah you have to let the truck warm up for 5 min or so. But even in doing so it still happens, worse the colder out it is. Yesterday I went to grab some food and went to take off onto the main road and when it tried to shift from first to second it felt like the transmission just stopped working for a few seconds then hit 2nd gear hard. I was told this was because the truck needs to get used to the way I drive it. Which I now have close to 4,000 miles on it and it still happens almost every time I shut the truck off and it cools down to ambient temperature. I know this is not normal, and a big safety concern because when I do go to pull out and this happens it feels like a total loss of power and does not take off like it should. I have yet to bring it into the dealership. But I have called about the issue and was told this is normal and would go away. Which it has not. So I am going to make a appointment to get it in the shop. I have also read that many others are having this same exact issue. In which case some people are saying they told them the same thing “that it’s normal”, I have heard others say they will change transmission fluid because the fluid they used is to thick, and have heard of others who had to have them change out the control module for the transmission and or reset it. I am just worried that I’m going to pull out on day and have this happen and get hit from the rear because I don’t have the power I should have to take off properly. Not to mention I should not have to let my car idle for 5-10 min before I can drive it. That’s a huge waste of gas, and time, plus having your direct injection idle makes a ton of carbon build up in the engine. I am not a certified technician but I have been working on my own vehicles for over 20 years now. So a brand new truck should not be doing this.
I had a engine failure in my 2024 Chevy Silverrado Trail Boss1500. I had just exited off the highway and came to a complete stop at the stoplight. When the light turned green, I hit the gas pedal and I did not move. I looked down at my gear shifter and noticed the truck was in park (I did not shift the truck into park). I tried to put the truck into drive and realized the engine was not running. I tried starting the truck and it would not start. The truck would crank, but would not start up. I tried this several times with no luck getting truck started. I even tried to put the truck in neutral to get the truck out of the middle of the road and could not get it neutral to move it. I called chevy roadside to tow it to the dealer. The dealership called me on tuesday and said the engine had blown because of a bearing failure and engine needs replaced. Also, they have not let me know approx time I will get my truck back. They claim there's a shortages of engines on the 6.2 liter engine.
Truck has 7000 miles defective valve body failure would not go into reverse and in limp went to dealership and diagnosis is needs valve body replacement with parts on back order with no eta. They said it could be 3-5 months. This is a national issue I’m on multiple social media sites for Chevy trail boss and there is too many to count and it’s been happening since 2021. GM has been no help no loaners and you have to pay for a rental for 3-5 months and pay your truck payments and hopes you are reimbursed at the end. They just recalled the 2021-2022 same 10spd transmissions they are selling Trucks knowing these issues exist also the lifter issues with total engine failures at 10000 miles. The transmission lock up at high speeds.
the transmission slips into neutral when in drive or reverse. yes dealer states it the valve body on transmission part not available called general motors and they state looking to get part can not tell us how long this is on a brand new chevy silverrado 4WD 2024.
While driving my vehicle on the highway I was exiting when I looked down at the instrument panel it stated a message along the lines of shifting to neutral and to press the ignition to restart engine. I noticed the vehicle wasn’t accelerating when attempting so I slowed down and did what it instructed me to do. The engine then wouldn’t start, I was uneasy because cars were coming from behind at a decent speed because of morning traffic. I somehow managed to get it to crank and took it to the dealer right away. They stated it was from low voltage and were replacing the battery under warranty. I didn’t think that was the cause but gave them the benefit of the doubt. 2 weeks later while taking my family out, the same incident happened. I wasn’t able to get it to crank and had to get it towed to the dealer. They stated it was the engine because now the engine was making a loud sound when ignited. It is about to be 4 weeks without vehicle and no repair has been made due to no inventory on engines.
Was pulling out onto the road from sitting at a traffic light, vehicle was going less than 25mph when the engine made a clunk trying to shift and the check engine light came on. Computer software indicated “limp mode with reduced acceleration activated.” Vehicle wouldn’t accelerate above 35mph, had to drive on major highway to get to dealership. Truck is only used as commuter vehicle hasn’t towed anything. Dealership indicated valve body transmission failed with vehicle only have 9k miles on it. Part is on back order as it is being manufactured due to installed faulty part, problem has been going on in 2023/2024 Chevy and gmc trucks since January 2024 without a recall put in place. Problem is being fixed after the part fails and the truck fails to run at optimal valves. According to forums software update were installed versus recalls to the actually valve body part being. I was sold a truck in sept 2024 with a faulty installed part versus it being fixed before it was purchased. This caused me to be stranded 1500 miles away from my home and we were not made aware of the know valve body transmission issue. The information was covered up versus being disclosed.
Truck went into second gear unexpectedly at 50 mph due to what dealer said was a bad solenoid. GM has had the truck for over a month with no date of an times repair due to no parts being available
The contact owns a 2024 Chevrolet Silverado 1500. The contact stated while driving at approximately 35 MPH, the vehicle started losing motive power. The contact stated that the accelerator pedal was depressed; however, the vehicle failed to respond as needed and then stalled. The contact stated there was no warning light illuminated. The contact had the vehicle towed to a local dealer who was unable to duplicate the failure. The vehicle was not repaired. The contact stated that the failure reoccurred. The contact stated that the check engine, 4WD system, and transmission warning lights were illuminated. The contact had the vehicle towed back to the same dealer who diagnosed the vehicle and determined that the transmission valve body needed to be replaced. The dealer informed the contact that the part needed for the repair was on a national backorder. The manufacturer was informed of the failure. The failure mileage was 11,082.
Vehicle has left me stranded multiple times, once over 2000 miles from home at only 26k miles on the vehicle with catastrophic engine emissions and electrical failures. Costing me thousands in lodging and months of my time. My vehicle has stalled multiple times on interstates and busy roads with no shoulders putting me and other drivers at risk.
The contact owns a 2024 Chevrolet Silverado 1500. The contact stated while driving at an undisclosed speed, the transmission shuddered and the vehicle hesitated. Additionally, the contact stated that the transmission vibrated, and the vehicle jerked forward. The contact stated that while parking in a parking lot, the vehicle jerked forward and crashed into an accessible parking sign, causing a dent in the front bumper. The vehicle was taken to the dealer; however, the failure was not duplicated. The vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 1,600.
The contact owns a 2024 Chevrolet Silverado 1500. The contact stated that upon starting the vehicle and shifting into drive(D) or reverse(R), the vehicle failed to respond. There was no warning light illuminated. The vehicle was towed to the dealer, where it was diagnosed that a transmission valve needed to be replaced; however, the part was not available. The contact continued to drive the vehicle. The contact stated that the failure recurred. Additionally, the contact stated while her son was driving at an undisclosed speed and was accelerating, the accelerator pedal traveled down and remained stuck, causing the vehicle to accelerate unintendedly to 50 MPH. The brake pedal was depressed but failed to respond. A message advising to decelerate and to drive safely was displayed. The vehicle jerked while downshifting to low gear. The contact's son shifted to neutral(N), and the accelerator pedal was no longer stuck. The contact's son was able to pull over to the side of the road. The contact's son resumed driving; however, the failure recurred while driving. The contact's son was able to drive to the residence. The vehicle was towed to the dealer, where the transmission valve, six seals, bolts, and unknown parts were replaced. The vehicle was repaired; however, the contact stated that she did not feel safe driving the vehicle. The contact was in the process of trading in the vehicle. The manufacturer was notified of the failure and covered the repair under warranty. The failure mileage was 6,893.
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