2024 Chevrolet Silverado 2500 complaints

AC will not run while truck is in idle. I was told by the dealer all GM trucks with the 6.6 gasoline engine this is a standard on them. this is a major safety issue when it becomes 100 F outside.

AC will not run while truck is in idle. I was told by the dealer all GM trucks with the 6.6 gasoline engine this is a standard on them. this is a major safety issue when it becomes 100 F outside.

When pulling trailers I frequently get warning to check trailer wiring. I have gotten this warning with every trailer I have towed to include, my travel trailer(camper), livestock trailer, car hauler trailer and enclosed cargo trailer. It is intermittent but frequent. I am unsure if trailer brakes will engage during this failure.

Side mirrors are loose at pivot point, driving at highway speed can blow them closed to the window causing a lack of visibility and requiring me to exit and pull the mirrors back out. Extensive research has not revealed a solution, I have inquired with my dealer, they will not follow up. This has happened several times.

The contact owns a 2024 Chevrolet Silverado 2500. The contact stated while driving at an undisclosed speed and towing a trailer, the trailer brake lights became inoperable. The service trailer brake system warning light was illuminated. The vehicle was taken to the dealer several times; however, the failure could not be duplicated. The vehicle was not repaired. The contact stated that the trailer was replaced with another trailer; however, the failure reoccurred. The manufacturer was not made aware of the failure. The failure mileage was approximately 26,000.

Issues with transmission when taking off at times stays on 2 or 3 gear. When arriving at a yield/ stop and take off again gives a kick/ jerk when take off

Trailer brake controller repeatedly failed. The TBC would turn on and off randomly, the trailer we were towing then had no trailer brakes. This has aTSB associated with it, but this is a safety issue and should be a safety recall. The TSB is 23-NA-149. I am a mechanical engineer and my wife is a software engineer and we spent many hours troubleshooting this on the road away from home. GM must be compelled to elevate this to a Recall as the condition of no trailer brakes can lead to a crash and deaths. Thank you.

Charging system failed The system failed with no warning, we were traveling on a country curvy road and about to descend a grade. With the charging system failure, the truck lost power to brakes and steering. It's at the dealer, being inspected etc. No warning lights or message until the failure occured, then a battery light appeared and a charging system failed message.

The contact owns a 2024 Chevrolet Silverado 2500. The contact stated while driving at an undisclosed speed, the brake pedal was depressed; however, the brake failed to function as intended. The contact stated that the failure occurred while a trailer was connected to the truck. The vehicle was taken to the dealer; however, the contact was informed that there was no resolution. The manufacturer was made aware of the failure and a case was filed. The failure mileage was approximately 15.

While towing our camper that has solar power our trailer brakes would randomly disconnect. Sometimes for a few seconds but several times for several minutes. After checking all wiring, doing some research and trial & error we discovered that it is a problem with the truck and the solar on the camper that is making the brakes disconnect. This happens randomly but quite often and it happened to us several times while towing in the mountains of Colorado. It is definitely a safety hazard to not have the trailer brakes. We have towed the same camper with other trucks including the 2023 Chevy that we owned before this truck and have never had a problem.

I have been going through a nightmare with my new 2024 Silverado 2500HD with the trailer brake that randomly connects and disconnects. My wife and I live Part-time in our 5th wheel RV and pull it on average once a week as we move from place to place for 6 mo out of the year. The issue is very random and we have had the truck at two different dealers to try and solve the problem. The Truck dealers point to the RV Mfg and the RV Mfg point to the truck Mfg. After doing quite a bit of searching, I found a GM tech bulletin GM 6379278 in regards to this issue so I now see on the internet and youtube many others are having the same issue. This appears to be quite the life threatening issue that can easily end badly. They talk about a solar pkg or generating package causing this problem, I have neither. The bulletin is applicable to 2024 3500's and 2500's

The contact owns a 2024 Chevrolet Silverado 2500. The contact stated that while driving with a travel trailer attached to the vehicle, the braking system intermittently failed to operate while depressing the brake pedal. The contact stated that the "Check Trailer Wiring" message was displayed on the instrument panel and then followed by the "Trailer Brakes Connected," message. The vehicle had been taken to a dealer; however, no defect was found with the vehicle. The manufacturer was not notified of the failure. The vehicle was not repaired. The failure mileage was 1,700.

Truck sends safety lights on dash one day and the next day they go off. Truck is running rough and has subpar fuel mileage driving 55 to 65 miles per hour. Esc light comes on and steering wheel changes sides to drive straight. Information screen goes black and flashes while driving. I have been in contact with gmc and they said I have to report to you before they will do anything. There was a recall for my type of Truck for poor fuel consumption but my vin was not included. I feel my truck has fell through the cracks and is in need of serious repairs. 72k for this truck and now I am having nothing but problem I feel used... please help! Thanks , [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

After 3 days of using the truck I parking the vehicle with a trailer and I stop the truck and turn off to check the back and when I try to start the engine don’t work and all the lights turn on low battery,no key,service service esc, traction control, and I stuck with the whole cabin outside of the drive way , pedestrians must use the street to instead of the sidewalk, take it to the dealer and they say it is the computer must be replace it .

Truck has been in and out of the shop since July. For more than 70 days total. I received a printout from a Chevy dealership in Georgia that indicated the main computer system lost communication with other components 11 times. It indicated it lost communication with the brake system control module three times and lost communication with the engine control module twice. Not sure exactly what that means, but it sounds rather serious. I've been trying since July to get GM or the dealership to buyback or replace my vehicle. Neither had ANY interest whatsoever. After I provided the attached photo to GM, they decided to buy my vehicle back. Seems that this issue is bigger than I know and surely needs some oversight from NHTSA so no one gets seriously injured due to GM's carelessness to address issues when they were brought up.

On July 1st, 2023, I purchased a 2024 Chevrolet Silverado 2500 from Orielly Chevrolet in Tucson, Arizona. On July 2nd, 2023, an error message popped up on the dash, “Park Assist Blocked See Owner’s Manual”. It continued to happen on and off til this very day. The dealership "attempted" to fix the issue, but it obviously hasn't been resolved. Due to equipment being faulty, the chances of an accident whilst back up are significantly increased. At one point on this ordeal, the truck was in the shop for 61 days. It had been in my possession for 18 days. I am currently in the process of a buyback for the vehicle. I had to hire a lemon law attorney. A supervisor from GM advised that GM is refusing a buy back for the vehicle. The vehicle also displayed an error, "key not found" while I was driving at 50mph. A bit unsettling. That error showed up twice on the dash. The dealership said they fixed the issue with a software update. Recently, the vehicle has a ticking noise on the left side of the engine, and the engine idles so low, that it feels like it's going to stall. Those issues haven't been addressed at the shop, because I start a new job on Monday(12/4) and had to drive over 2k miles to get here. Thankfully the truck made it. Not a concern I should have with a brand new vehicle.

The contact owns a 2024 Chevrolet Silverado 2500. The contact stated that while starting the vehicle, the check engine warning light illuminated. The vehicle was taken to the dealer, where the battery was disconnected temporarily to reset the ECM. The check engine warning light was reset; however, the failure reoccurred while driving. Additionally, the contact stated that the vehicle was experiencing abnormal fuel consumption. The contact stated that the fuel economy was 8.2 - 9 miles per gallon while driving and hauling a trailer. The contact related the failure to an unknown GM voluntary recall for Faulty Fuel Injector Flow Rate. The dealer was notified of the failure. The vehicle was not repaired. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline for assistance. The failure mileage was approximately 400.

The contact owns a 2024 Chevrolet Silverado 2500. The contact stated that while hauling a travel trailer at various speeds, the check trailer wiring warning message intermittently flashed on the instrument panel. The contact had taken the vehicle and the travel trailer to the respective dealers; however, neither dealer were able to determine the cause of the failure. Upon investigation, the contact discovered a TSB: 23-NA-113 which he linked to the failure. The bulletin stated that the travel trailer brake might become disabled due to a solar panel battery charger. The contact stated that whenever the trailer battery was fully charged and had a higher charge than the vehicle’s battery, there could be a back feed into the trailer brake power module causing a shutdown. The manufacturer was notified of the failure but offered no assistance. The vehicle was not repaired. The failure mileage was approximately 1,500.

The integrate trailer brake control system malfunctions when a trailer equipped with solar panels is hooked up. I recently rented a newer travel trailer and kept on getting a warning that the brake control system was disengaging. Every 30-60 seconds the system would connect and the quickly disconnect. I troubleshooted by hooking up a trailer without solar and the brake controller worked as intended. I also troubleshooted with the trailer by hooking up a 2015 Ford F-350 and the trailer brakes worked as intended. This is a known issue among the 2024 Chevy 2500 and 3500 owners that have reported the same issue. Replacing the trailer control system does not fix the issue.

The GM brake controller will disconnect with the trailer being pulled. You get a message on the information center that the brake controller has lost connection with the trailer or no trailer brakes are available, something to that effect. This has happened up to 5 times in one day. You never know when this will happen. Pulling a 7,000lb trailer and not knowing when you will have 'no brakes' is dangerous. I bought the truck to pull my RV trailer, now am afraid too. I brought my truck into a dealer and first was told "the issue is in the trailer". There is a bulletin saying the issue is do to 'the solar panels or solar generator', I have nether, just one lead acid battery. Then was told 'they don't know what they can do'. I've been in contact with other that have the same make, model, and year that is having the same issue ! I now have a very expensive vehicle that I can't do with what it was advertised it could do !!!

Instrument Cluster screen blinking On/Off and showing "Service Instrument Cluster" message. Lost all indications of speed, warnings, gauges, gear selection. Could not tell if vehicle was performing correctly. All sensors appeared to be working, but indications to driver missing.

I kept getting “check trailer wiring” messages followed by a “trailer disconnected” message while towing a trailer and the trailer brakes would not engage. The trailer would “reconnect” and then “disconnect” constantly while driving. I lost my trailer brakes while trying to brake down a hill. Not having working trailer brakes is extremely dangerous.

If our trailer is plugged into the truck the warning "check trailer wiring" pops up. The warning ("check trailer wiring") would display and then the message "trailer connected" would generally happen. The trailer breaks disconnect during this time making it extremally dangerous for us and anyone else on the road if we need to stop quickly. This is not an issue with our new trailer as we pulled it with a 2017 Silverado with no issues.

The contact owns a 2024 Chevrolet Silverado 2500. The contact stated while driving at various speeds, the message "Check Trailer Wiring - Trailer brakes Disconnected" was displayed on the instrument panel. The contact stated that the failure caused the trailer brakes to fail to engage as needed. The vehicle had been taken to the dealer and it was confirmed to be a known failure however, the cause of the failure was not found. The vehicle had not been diagnosed or repaired. The manufacturer was not made aware of the failure. The approximate failure mileage was 1,000.

New Silverado 2500 HD LT and new Keystone Cougar 30BHS. My new truck is experiencing random trailer break controller disconnection while towing. This happened yesterday on the first trip bringing it home from the RV Dealership to my house. The trip was 68 miles total. It happened often and without a pattern. It appears that many others are experiencing the same issue. See youtube link below: [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

This truck was optioned with the trailer tow package which includes a trailer brake controller. However, if the battery on the trailer is a higher voltage than the truck battery, the trailer brake controller will fail intermittently. This leaves the truck traveling at freeway speeds with no trailer brakes. This is EXTREMELY UNSAFE. GM is aware of the problem and has issued a technical bulleting "23-NA-113 Information on Trailer Brake Disabled or DTC Stored" on June 28, 2023. This is an EXTREMELY hazardous situation and should be resolved immediatlly or the truck owners should be advised to NOT TOW with the trucks until resolved.

Truck will not stay connected to our trailer brakes. We have a 2023 Grand Design Reflexion 270BN. The truck stays connected about 30% of the time. 70% of the time we get the following warnings “Check trailer wiring” or “service trailer brakes” and the trailer brakes are disconnected. Grand design has said this is 100% on the truck side. GM needs to find an update for this dangerous problem. We almost got into two crashes on a 2000 mile trip. Multiple people are in the same situation as us.

TRAILER BRAKES DISABLED INTERMITTENTLY. PROBLEM IS NOT WITH TRAILER IT IS THE TRUCK. TOOK IT TO DEALER THEY COULD NOT REPAIR SAID THAT General Motors IS WORKING ON A CORRECTION. THIS IS DANGEROUS IF TRAILER BRAKES ARE NOT ENGAGED IT WILL PUSH THE TRUCK.

Pulling my 5th wheel camper and the trailer braking system goes in and out. It says, "check trailer brake wiring" and "service trailer brake". I have pulled same camper with a 2020 Chevrolet and didn't experience any issues. I have found some forums discussing that it's a GM problem with a service bulletin from GM #6379278 stating GM is working on the issue. This is a very concerning issue especially when towing over 10,000 lbs.

While pulling fifth wheel camper the the electronic brake controller looses connection and brakes on the trailer do not work leaving only the truck brakes to stop both truck and trailer. General Motors claims this is caused due to the solar panel on the trailer charging the trailer battery more than the truck battery which back feeds into the system. This problem only occurred on the 2024 models. The same trailer was pulled with a 2021 model with no issues. This is a known problem which Chevrolet has a service bulletin stating such. Reference document # 6379278. At this time there has not been a fix. This is a safety hazard because there is no warning as to when the trailer brakes will stop working.

When my fifth wheel trailer is attached via the seven pin plug, the truck intermittently fails to recognize the trailer and I get a warning "check trailer wiring." When I get that warning, the integrated trailer brake controller fails to activate the trailer brakes. After a while I get the message "trailer brakes connected" and then the trailer brake controller activates the trailer brakes. This problem does not occur when the trailer is attached to a different truck. Apparently this is a well-known problem that GM has failed to correct or inform customers about. Please see the comments at [XXX] . This is a serious safety hazard as my trailer brakes have failed to activate while descending some very steep grades in the mountains. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

The vehicle has, on numerous occasions, gone into a "Check Right Front Turn Lamp" or "Check Left Front Turn Lamp" while operating the turn signals. Vehicle then goes into "hyperflash" on the turn signal indicating a fault when the error message appears and renders the signal non-functional. Vehicle does not return to normal until it is shut off and restarted. Vehicle was taken to dealer for service on this item, the computer was re-flashed with latest software but problem persisted. Dealer indicated they believed there was no issue with the turn signal lights, it was a software issue in the truck. Servicing dealer is Jim Norton Chevrolet in Broken Arrow, Oklahoma. I have noted others in internet research with the same model of truck and similar LED lighting equipment experiencing the same fault.

When I hook up my 35' fifth wheel camper to the truck the brake controller from the truck to the camper acknowledges the connection then when I start to drive my truck dash states, "check trailer wiring". This is an extremely dangerous condition. At times I will get a message that states that the trailer wiring is connected then the brakes will work for a short time. I just saw a document ID no 6379278 that was posted on line that states what i said above. It has been back to the dealer a couple of times for this.

Continued loss of trailer lights and brakes. This truck has the tow package installed by the manufacturer and apparently the truck doesn’t recognize or see LED lights causing it to lose the connection between the truck and trailer

When towing my travel trailer with the 2500HD, the electronic trailer brake randomly connects and disconnects while driving. This results in the unsafe operation of the trailer because the brakes aren't functional and puts others at risk if stopping was required during the outage. GM/Chevy has created Document #6379278 which admits that this is their issue but they don't seem to be providing a fix.

Brand new truck, 1st time towing through mountains of Kentucky, we kept getting "check trailer wiring", "trailer brakes disconnected" "service trailer brakes" I did research and took the truck in for service. They found nothing wrong, but said we should get an adapter and gave me the name of two. We had the camper checked as well, no issues. Many complaining on blogs about this issue and many have also been told to get an adapter. Really? why would I need a $200 adapter and the fact they already knew which two I should buy, tells me, they know its an issue with the vehicle. Pretty scary when we had to come to a stop on the freeway and we didn't have trailer brakes. Never had any issues pulling it with our 2021 silverado 1500. This is really dangerous

When truck is connected to a trailer with electric brakes, intermittently a check trailer wiring warning flashes on the dashboard screen. When this happens you do not have trailer brakes. It has happened on multiple trailers with 7 pin connections. I have taken it to the dealer twice with no fix other than GM recommending a non GM trailer receptacle. I have taken my trailer to the dealer and they could find no problems. Basically the 2024 Silverado 2500 HD when hooked to trailers with industry standard 7 pin 12 volt receptacle loses trailer brakes. This condition potentially is fatal and a definite hazard to public safety on roads. problem was reproduced at the Chevy dealership in Pensacola Fl. The problem was reproduced on multiple trailers at Great American RV in DeFuniak Springs Fl.

We have a 2022 Grand Design Imagine 2800BH for two years and towed it with a 2018 RAM 2500. Just recently purchased the 2024 Silverado 2500HD and our first tow the new truck kept disconnecting the trailer brakes then reconnecting. Apparently the new 2024 are having issues with their trailer brake modules recognizing trailers being attached. When you are towing a travel trailer and you need to brake and they’re not available because your tow vehicle is having issues recognizing a trailer brakes.

While towing my fifth wheel trailer, the electric trailer brakes module shuts off with a message "check trailer wiring". When the module shuts off, the trailer brakes do not actuate relying fully on the truck to stop as the trailer brakes will not work. The plug was firmly seated and it caused issues whether using the in bed plug or the bumper plug. After some time, the message would go away and the system would display the message "trailer connected" and the trailer brakes would work again. After some time, the process would repeat several times (30-40 times) primarily from mid morning to evening. I verified plug tightness and applied dielectric grease to ensure a good connection and that did not improve the issue. The trailer is 1 year old and was pulled with 3 other trucks (2 dodge and another Chevy) with no issues at all. I was able to locate a GM bulletin numbered "document id: 6379278" that references this problem and states to disconnect the trailer solar panels while a fix is developed. This was only found on an RV owners forum. I was able to disconnect my solar panels on my trailer and the issue was no longer present with my brakes working properly and no error messages for 10 hours of driving. This is a significant safety issue and needs to be made abundantly clear to drivers who haul trailers. Not all solar panels are easily disconnected and should be done by a qualified electrician due to the potential hazards of their voltage. Additionally, not having trailer bra

The trailer brake controller on the vehicle is defective and keeps connecting and disconnecting. It's a known issue to the manufacturer as shown in service bulletin #6379278 image attached. The manufacturers solution is to contact the trailer manufacturer for instructions on how to disable the solar charge controller. I have done this but the trailer manufacturer (Grand Design) will not provide me with this information as they are saying this is a Chevrolet issue and Chevrolet needs to resolve it. This now places me in a situation where I am traveling with a trailer that randomly, and intermittently, has no operating brake system. This places me and the driving public in danger. This problem has been inspected by the manufacturers dealer and they have provided me the technical bulletin referenced above. There is a warning lamp on the dash that informs me of when the trailer brake controller connects and disconnects. This failure first appeared to us on May 30th, 2023 which was the first time we connected to our Grand Design 2500RL trailer. It has been consistently having this issue every time we are connected to the trailer. The truck has been to two Chevrolet dealers so far to try and resolve this issue. I have contacted Chevrolet customer service for an ETA on when this issue is to be resolved and they have none.

Connecting this trailer to a new 2024 Chevrolet Silverado 2500 HD, the trailer brakes cut in and out every minute or so. The truck shows a warning that the trailer brakes are disconnected, and then they reconnected. This happens repeatedly. General Motors and Forest River have been advised of this, but neither have a solution. Forest River does not want to engage with me (as consumer). GM is still working with me to trouble shoot. Theory is that the solar charging on the trailer is causing the issue with the GM vehicle. Truck (not the trailer) was in the dealer and no issues were found on the truck side. In social media groups, there are many others experiencing the same issue.

Component - Integrated Trailer Brake Controller Safety - caused a vehicle skid and loss of control Inspection - it is scheduled to go in to the dealer today Warnings - the dash messages "Trailer Brakes Connected" and "Trailers Brakes Disconnected" displays often when a trailer is connected, as frequently as several times per minute. I believe that NHTSA and GM are aware of issues with the trailer brake connector on these vehicles. The integrated trailer brake controller connects and disconnects the trailer brakes as often as several times per minute. I have confirmed there is no issue with the trailer. The issue appears to be in the truck. This led to a near-miss accident. I was towing a double axle trailer with electric brakes on I-77 in West Virginia. The trailer brake controller disconnected and reconnected throughout the drive with warning messages displaying on the dash. I applied the truck brakes to stop for traffic on a downhill slope in the rain. As I applied the truck brakes the trailer brake controller re-connected and applied the trailer brakes at the relatively heavy force that I was using for the truck brakes because the trailer brakes had disconnected. This caused the combination truck and trailer to jolt and then skid on the wet pavement. The truck is scheduled to be serviced at a GM dealer today.

While the phone connects to android auto, the system will treat the music as a phone call and reduces the A/C to account for the possible noise on a phone call from the system. The vehicle is in Arizona, and this is a problem that you want to avoid. The A/C system will only resume when phones are disconnected from the truck. The issue happens when phones are connected via Bluetooth or a cord in the USB-C slot. Incoming messages will not play when they come in. The system states that no active subscription is enabled to allow messages to play across the truck's device using google assist. The issue poses concerns as Arizona is a hand-free device state. The truck does not allow the full abilities of the android auto system.