2024 GMC Canyon Complaint Log

Coolant leak caused by known manufacture defect in upper hose assembly causes coolant to drain and engine to overheat. CEL only comes on when coolant is almost gone. GMC refuses to cover the known issue after 36k miles.

Radiator Hose began to leak coolant. Faulty radiator hose. This could have caused engine failure and potentially caused an accident or may have put others at risk for hazards. No warning other strange sound. Inspected by authorized dealers service center.

Upper radiator hose connection to radiator is faulty causing leak of coolant. Yes it is available for inspection upon request. Truck began to run cooling fan at full speed in the middle of winter with no warnings of high heat or low coolant. After two weeks, check engine light finally cut on to indicate low coolant flow. Coolant reservoir was subsequently checked and found to be completely empty. It is apparent this reservoir had been extremely low / empty for at least two weeks with no warnings. Without proper warning and leaking coolant, truck could have overheated. Should this had happened in dead of summer, truck could have very well overheated with no warning. The problem was investigated and confirmed by dealer as leaking coolant at the connection of the upper radiator hose to the radiator. Was quoted $983 to replace the hose. No warning lights appeared until issue had been ongoing for over two weeks. A quick search of "GMC Canyon Upper Radiator Hose" will reveal many identical occurrences of this issue. This is a safety hazard / design flaw that GM is not acknowledging and is putting the burden on the vehicle owners for their own issue.

Coolant Leaking at 22K miles, smell of coolant, check engine light on and off 2X's. Coolant evidence on driveway and in engine cabin. Known condition for GM Model. No parts available for replacement. No recall for issue.

There are widespread reports of the O ring seals on the radiator and heater hoses failing and causing coolant leaks. These leaks are significant enough to render the vehicle inoperable and with no cabin heating or cooling. This could lead to life-threatening situations in adverse weather conditions. It could also create dangerous roadside failure situation in heavy traffic, particularly on interstate highways. Dealers are aware of the issue and are currently repairing vehicles under warranty. However some dealers are telling owners that the cooling system is not part of the engine and drivetrain, and therefor is not covered under the original factory warranty if the vehicle has exceeded the initial bumper to bumper warranty limits. Dealers are also telling owners that parts are on backorder due to high demand, and that repair wait times could take weeks. The vehicle is unsafe to operate with a known coolant leak. Video of leak (another owner) here. [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Upon starting the vehicle, I got multiple warning lights. The most important was brake failure. I had no brake function. I took it to the dealer and they replaced the brake module after 3 days.

The contact owns a 2024 GMC Canyon equipped with Goodyear Tires, Tire Line: Wrangler Territory, Tire Size: 265/65/R18, DOT number: 1M6C8JT1R. The contact stated that while her husband was driving at an undisclosed speed, the TPMS indicated a low tire pressure. The driver pulled over and noticed that the passenger’s side rear tire was low. The vehicle was taken to a tire shop, and it was determined that the tire damaged and the lock was missing. The mechanic located a pair of pliers between the rim and tire. The tire was replaced. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was not contacted. The tire and vehicle failure mileages were unknown.

Upper radiator hose attachment is leaking due to faulty rubber gasket. This comes up across GMC Canyon groups on Facebook 10 times a day. It is happening to ALL of them mainly pre 2025 on 3rd gens. Part is on back order at all GMC dealers due to so much volume of issue. Happening as early as 10k-20k miles on brand new trucks causing over heating issues due to coolant leaking out. Hopefully a recall for the part is done before engines start blowing.

Truck began idling very rough. Went straight to the dealership. They shut the truck off and it would not restart. No CEL or messages on the dash. Tear down reveled a failed exhaust valve in cylinder #4. Truck has 10,000 miles. A replacement engine has been ordered under warranty. Luckily, we happened to only be a few miles from a dealership when the failure happened. There was no warning, no prior symptoms what so ever.

I am reporting a driver distraction safety issue involving the infotainment system in my 2024 GMC Canyon. The vehicle displays a mandatory “Focus your attention on driving” warning every time the vehicle is started, requiring user acknowledgment. When using the built-in Google Maps navigation without subscribing to GM’s paid Connected Services plan (while tethering to a personal cellphone hotspot instead), the system displays a modal warning stating that a connected services subscription is required. This warning appears whenever cellular connectivity is briefly interrupted, even for a few seconds (such as when driving through a known cellular dead spot). The warning overlays the navigation screen and requires the driver to manually press a “Dismiss” button to continue, even while the vehicle is in motion, requiring the driver to take their eyes off the road to focus on pressing the dismiss button. This behavior creates a safety contradiction: The system warns drivers to focus on driving, then forces manual interaction with the touchscreen during active driving. The interruption is triggered by transient network conditions, not driver action. The behavior does not occur if the driver pays for GM’s subscription service, indicating it is a business-rule enforcement rather than a technical or safety requirement. The repeated appearance of this warning during normal driving conditions constitutes an unnecessary and avoidable distraction. It diverts attention from the road and navigation, increasing risk rather than reducing it. I believe this design violates established human-factors safety principles by introducing nonessential driver interaction during vehicle operation and should be reviewed as a potential safety defect related to driver distraction. We just got home from a trip to West Texas and had to press the dismiss button no less than 100 times while driving through areas with marginal/intermittent cell service. It's a huge driver distraction.

Upper radiator hose leaks where it connects to radiator. 40k miles and my truck has no coolant

I've noticed an issue since I picked up my vehicle from its last service where the RPMs stay around 1,000 when I let off the gas and should be coasting. The vehicle will continue to accelerate at 11 to 13 mph, and I really have to mash the brake pedal to stop. There is an update notice that popped up starting yesterday, but it will not install. Looks like the update is for the issue I am having. The update was supposed to be installed already per the service bulletin. Update number is N242452130

2024 GMC Canyon Elevation trim 4x4 with 31,000 miles on it always had maintenance every 5k interval. I noticed an upper radiator hose leak significant enough to require a decent amount of coolant and decided to take it in to GMC to get it repaired. Mind you this repair is almost $1,000 to get repaired with the hose itself only costing $148. It's disappointing to have such a new truck and have these kinds of problems and upon research there seems to be several others with the same problem relating to an O ring in the upper radiator hose. Considering the truck is routinely serviced more frequently than required I see this as an issue for someone to run out of coolant and possibly be stranded on the side of the road if gone unnoticed and needs to be properly addressed asap.

16,000 miles driven and my replace brake sensor light came on the dashboard. I took it in to get looked at and was told the Front Drivers Side has 1 brake pad showing a life of 5 while my other pads all showed a life of 9/10. I was told that most likely something stuck inside the brake pad itself causing it to wear unevenly but I don't drive anything but highway and paved roads. I looked around other forums and multiple others are complaining of the same issue. I contacted GM and they told me brakes are a wear item. The dealer told me they aren't sure how it happened, but this isn't right to be replacing brakes on a brand new vehicle I've only driven for 10 months. Multiple others are saying the same thing in GM/Colorado forums.

I first noticed the brakes squealing in August 2025 at 15,000 miles. The dealership said I needed to resurface the front rotors. I mistook this a coating and brake debris, but it was actually the rotors warping. By 21,000 the vehicle is pulsing heavily when stopping. I went back to the dealer and this time they told me all 4 rotors are warped. GM denied coverage of the pads and rotors. Normal driving, no collisions or towing.

Vehicle brakes stopped working while driving. Dash board lit up and stated system brake failure. Also stated “do not exceed 43mph”

Break monitors for front breaks have dislodged and caused damage to rotors and pads. Dealer claims this is normal wear! Breaks shimmy when breaking in all directions and squeak when backing. I travel to my work requiring mountain passes during inclement weather. The most important safety method while traveling on snow and ice is smooth steering, acceleration and breaking. With my font breaks shimmying, I am concerned for my safe control of the vehicle. Thank you in advance for your attention to this matter.

The Driver Information Center located directly in front of the driver that contains the speedometer, tachometer, oil pressure...etc., has a very distracting background. The background is a geometric patterns of triangles giving a sense of depth. This is very distracting especially at night. Quick looks to see speed, engine temperature or other critical vehicle information is complicated by this unnecessary aesthetic background. I reported this problem and it can be located here: [XXX] I've been advised to mail via USPS my concern to The Office of Defect Investigation Team which I will do today. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

The contact owns a 2024 GMC Canyon. The contact stated that while driving at various speeds, the steering wheel was rattling abnormally. The check engine warning light was briefly illuminated. The vehicle was taken to a local dealer, where the vehicle was test-driven; however, the failure was not identified. The failure reoccurred, and the vehicle was taken back to the same local dealer, where it was diagnosed as needing a rear intermediate steering shaft, and a retest was performed. The vehicle was repaired; however, the failure reoccurred. The vehicle was taken back to the same local dealer, where the vehicle remained under investigation. The manufacturer was made aware of the failure. The failure mileage was approximately 4,491.

Propulsion of vehicle. Truck lost power as I was trying to pull into traffic at an intersection. Yes, it was confirmed by the dealer; truck was returned after 3 incidents. GM has been inspected the truck. Yes: check engine light immediately came on, and a comment then stated onscreen: "caution. Your vehicle has lost power and is operating at a reduced capacity". First occasion, truck was approx 6 months old. Second was 1 month later. Third and dangerous incident occurred June 11th 2025. Dealer keeps saying the truck is OK. Failure to propel keeps happening. Service supervisor tells me truck needs a new module, but GM won't approve it. Truck is still at the dealer, and issue has been escalated twice. Truck still at dealer.

The vehicle does not have a manual switch for the headlight control. The only way to control the headlights is through the digital control interface on the infotainment console panel. The headlight controller button is so small that a person has to take their eyes off the road for a long time making it a very unsafe condition. If a deer was in your lane you could not turn your lights on and off quick enough to maybe un shine the deer so in would move while honking your horn. It is just totally unsafe as a hole when you’re not looking down the road while driving. If you had the switch you can always feel around for it much safer than taking your eys off the road while driving.

Rack and Pinion assembly failure. Steering became “sticky”. Had to pull on the wheel to break it loose multiple times to make a full turn. This occurred while driving on the highway. No warning or lights. Confirmed by dealership. Truck has 2200 miles, under warranty. When I took the truck in they also informed me there was a recall on the fuel injection computer. I found that strange considering I was never alerted of this recall nor can I find it anywhere online with my vin number.

When turning right, the turn signal overcancels, causing the left turn signal to come on.

Trailer braking and stability control randomly disables. This leaves an unsafe condition when towing any trailers that require a trailer brake controller. Has happened on multiple occasions.

Heat shield over drive train not installed properly. While driving since purchased I’d hear a metal reverberation / clunking sound that seemed to be under the truck. I even had it in for oil change service w/ dealer and no mention of finding anything. On Sat 3/15/2025 I took it back to dealer with the heat shield that was torn from the undercarriage over the drive train, the service person said it did not to appear to have been fastened at the factory before delivery to dealer/me. They were going to re-install it, however it was damaged; and I told them that was not acceptable to put a broken part back on the truck. I still don’t know what other damage has occurred to the vehicle due to the rubbing/clanking around while driving the 12,000 miles I have on it. They told me it was safe to drive and just come back when they get the part in. I have photos and videos; the dealer took the damaged heat shield from me and I don’t know what they did with it. Risk level to other drivers is the heat shield could have flown off truck while driving; to me inside the vehicle could have obstructed drive train and caused damage/accident, and other damage I’m still not aware of. Yes, dealer advised: Harnish GMC Puyallup, WA 253-840-6300 No fix yet. No warnings in vehicle or on any electronic displays. I noticed the sound right away on purchase but couldn’t identify it until it “got so bad” I went under the truck to look, and found it separated and dragging on the drive train.

While driving on the highway, the sunroof of the truck shattered. There were no other vehicles nearby at this time. No one was hurt and nothing hit the vehicle to cause the sunroof to shatter. The vehicle was brought to the dealer for inspection/repair. This incident occurred on 3/4/2025. There was no rain or snow occurring at the time and temp outdoors was around 40 degrees. In addition to this incident, a piece of trim came loose on the vehicle that was repaired. No injuries resulted in this as it was noticed before it came off and hit anything going down the road at a higher speed.

Collision Avoidance comprised of Following Gap and Alarm / Auto Braking does not function. One dealer after two trips and unable to repair stated that GM is working on a new software update and until that is available repair is not possible. No date was provided by dealer or GM customer service as to when this update would be available. Second dealer stated that system was in fact not functioning, and asked me to return in a couple days, so he could research the issue, He knew nothing about a pending update. Both dealers stated that no alarms or codes were present in spite of failure.

Vehicle whole system was non existent. No interior lighting, no door chime when opened, no response. Mechanic took a look and found alternator not good. It’s not charging the battery and advised me to tow it to warranty repair shop. Advised me if I were driving and vehicle died I would not have power or control of vehicle and cause serious injury or death. Lucky I was parked at home and attempted to start vehicle to leave home. No repairs done yet, vehicle is still at home waiting for an appointment.

The contact owns a 2024 GMC Canyon. The contact stated that while washing the vehicle, it was discovered that the exterior roof panel was bent and caved inward. The vehicle was taken to the local dealer who informed the contact that the vehicle was manufactured without the roof braces which were needed to strengthen the roof. The braces were ordered by the dealer. The vehicle was not yet repaired. The manufacturer was notified of the failure. The failure mileage was 4,000.

We were traveling not once, but twice at a high rate of speed (75/80mph the legal limit) the vehicle gave one message: Service power steering next message: reduced acceleration. The check engine light turned on, the truck itself jerked and we almost lost control of the vehicle (both times) on the highway. We were thankfully able to pull over and pull to a complete stop. The vehicle was still on, it still ran but I saw an autozone close by both times and received a code for the check engine light. The dashboard both times lit up like a Christmas tree on both occasions before spazzing out. We have taken the truck twice to a nearby dealership and they were able to service and “fix” the problem however they said that the first time, and here we are a second time. The dealerships we took the truck to are aware of all the codes (2 pages worth the first time) but we never received paperwork on what was fixed. The second time we are now going to pick up and hopefully receive paperwork on what was completed. My spouse was driving and myself and my daughter were in the vehicle when the jerking happened with the steering wheel. The vehicle is not safe how can I we be driving at the legal limit and lose control of our vehicle. We were right next to an 18 wheeler with a trailer and multiple vehicles on the road each time. The GMC dealerships are aware they have been working to fix the problem however again this is the second time it happened. The messages occurred both times. Service power steering and reduced acceleration check engine light and also no traction control. The first time it happened was [XXX] going to Killeen Texas and the second was [XXX] going to Albuquerque. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

The contact owns a 2024 GMC Canyon. While the contact’s son was driving approximately 35 MPH, the brake pedal was depressed; however, the vehicle failed to slow for a traffic signal and the brake pedal was stiff. The contact stated that his son needed to use force to depress the brake pedal. There were several unknown warning lights on the instrument cluster. The contact stated that the phone app showed a failure with the ABS. The contact stated that the failure was intermittent. The vehicle was taken to a local dealer. The dealer was not able to duplicate the failure and cleared the codes from the warning lights but provided no information on the fault codes. The vehicle was not repaired. The manufacturer was not informed of the failure. The failure mileage was approximately 11,000.

While driving a two lane road the adaptive cruise control detects oncoming traffic and improperly slows down or breaks unnecessarily. Most of the time the vehicle breaks so hard it will jolts me forward in my seat. I fear another car will be behind me and this will cause an accident. I have had my vehicle in the shop two (2) times to repair the issue. The dealership/service department has been able to replicate the issue by having one of their technicians drive the vehicle. The front camera has been replaced twice and I have been told every time they plug a new camera in the trucks interior and exterior lights "go crazy and flash". GM's response to this issue is "set the gap to mid" or simply "shut it off". They refuse to see this as an issue. Doing my research I found that the 2023 GMC Canyons have been recalled due to the same issue. I have brought this information to the sales department. However due to not being able to find this on General Motors website I have been told by the dealership/service department, and owner of the dealership that the information I found on NHTSA is insufficient and they can not go off this information.

The dealer did not fix the recall item on my truck as posted here. The dealers service department confirmed with me on multiple occasions that the recall was not fixed as annotated, but since the dealer was paid for the recall (because it was posted to the system) I am still on a waiting list for them to coordinate how to do the recall work (that was already paid for, what?). I would just like the recall work to be completed on my truck and the notification corrected on your database that the work was not done when input, editing to correct the date of service

Battery dies during vehicle update spontanteniouly. After jumoing vehicle to start it all systems will not return to normal causing brakes not to function normally. I jumped my vehicle after one system update and brakes failed to engage almost causing an acident. these vehicles should not be on the road due to the software safety flaws. GMC is aware of this and still have no fix for the problem. There are numerous accounts of this happening to this vehicle on forums and solcial media.

While driving through a car wash air blow dryer, the roof was popping in and out resulting in a dent of the sheet metal. The roof area appears to be very weak structurally. The roof can be pushed in by hand. This could be dangerous in a rollover situation.

On [XXX] I took a trip with family through Ohio from Pennsylvania. While truck was in adaptive cruise control on highway, phantom braking occurred where truck slowed down from 70mph to about 60mph 5 times. No objects or vehicles in front of truck or around truck during the braking. The weather was mostly clear overcast at times with no rain or snow. Concerned if vehicles were behind me during the breaking causing an accident. It was abrupt completely out of the blue when it happened. Took truck into service on 1/8/25 for oil change and braking issue, dealership states there’s no service bulletin for issue. I have not used adaptive cruise control since. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Infotainment system audio not working. Have performed hard reset, dealer reset, dealer service, and still audio is intermintant at best. more than 75% of the time I have no audio or sound at all. No raidio, no sxm, no bluetooth, no onstar. This is a safety issue and there does not appear to be a repair bulletin, and dealships dont know what to do.

While addressing the Headlamp Flicker recall N242468880 another problem was caused. The Drivers side headlamp is always on high-beam There is no way to turn it off. I have had two incidents where oncoming traffic has crossed the double yellow line. The dealer states that the entire headlight mist be replaced and it is on backorder with no expected date of availability. This 2024 GMC Canyon is blinding oncoming traffic and is a risk to myself, my passengers, and oncoming traffic. I have a case open with GM and it has accomplished nothing. GM case number 9-14098737984

On 2 occasions the battery was drained and a tow truck had to jump the battery. On one occasion after the battery was jump started it took several hours before the brakes were able to be used and the car driven safely. Had to drive very slowly (under 50 mph) per note that appeared on dashboard. After nearly an hour of waiting Engine light stayed on and dealership ran diagnostic and found nothing wrong with the battery nor anything else. Have to start and run engine everyday to keep battery from dying. If not started in 24 to 36 hours, battery will die.

Where to begin... As I bought my first truck, literally within 10 days after buying the GMC Canyon 2024, the car is shaking uncontrollably on the highway... 35 MPH max speed, extremely dangerous situation, 8 AM on a busy Watterson Expressway in Louisville, KY. I was so scared I was going to crash and potentially get hurt or worse. They told me "they had never seen this happen to a Canyon before" which is obviously a lie. The car was serviced for 21 calendar days, and now my lights are spotty and I can't drive my car at night. I got this truck [XXX]. There was no communication on when it was to be ready. There are issues with a lot of minor things as well like the navigation systems. I have logged every call with the Dealership, Courtesy Buick GMC in Louisville as well as summarized every point of contact, and with very spotty responses and the manager, Frank, wont respond to my emails and was extremely uncooperative as I asked to trade it in as I was genuinely concerned about my safety and he told me absolutely not. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Turn signal not working properly and GM has not issued a solution to dealerships. Issue: When you use your turn signal to change lanes or turn onto a new street, the turn signal will flash to let drivers know. However, when you turn off your turn signal manually or the truck turns off the turn signal automatically when you turn the corner, instead of the turn signal stopping, it starts flash in the opposite direction by itself and eventually stops. This can be confusing for drivers and could result in an accident if someone thinks you are signalling and then go in a different direction.

The chrome trim that is on the dashboard has a glare that reflects into the rear-view outside mirrors making hard to see obstructions the problem is all weather conditions sunny or cloudy

The back seat is not secured tightly. When the bottom seat is down, and should be locked, there is 3-4 inches of play when lifting up on the bottom seat. It does not seem to lock properly. I told the dealership about it, and they compared it to another vehicle on the lot that did the same thing. They did not seem concerned, but if a latch is defective, anyone in the backseat could be harmed if the latch fails during an emergency stop or accident.

The contact owns a 2024 GMC Canyon. The contact stated that while driving at an undisclosed speed at night, he observed the headlights flickering. No warning lights were illuminated. The vehicle was not taken to the dealer or an independent mechanic. The vehicle was not repaired. After investigating the failure, the contact related the failure to NHTSA Campaign Number: 24V673000 (Exterior Lighting); but the vehicle had already been repaired. The manufacturer was not notified of the failure. The failure mileage was 5,000.

i have had this truck 3 months and already had software problems and now I had to drive to Hammond LA after dark and the headlights were blinking, going up and down. I was passing an 18 wheeler and the light beam went up and i almost went under the 18 wheeler. God was with me for sure.. i have not received any info on the recall and went by the dealership where I bought it and they sAid I would have to wait until I get a notice in the mail. so now I cannot drive at night and I need to. what is a person suppose to do?

Headlights flicker on and off

When the right hand turn signal is cancelled following a right hand turn, the left turn signal flashes to indicate a lane change. This would falsely indicate intention of changing lanes.

The turn signal is activating in the opposite direction. After completing a 90 degree right hand turn, when the turn signal deactivates it will turn on the left turn indicator for 3-5 seconds. This only happens when making right hand turns and I have been able to replicate it on multiple occasions. My concern is that other people will see the indicator and assume that I intend to change lanes when my intention is to continue straightforward. This could cause someone to move in front of me or turn into my lane of travel. I just purchased the vehicle a week and a half ago. I plan on making an appointment with the dealership within the next week to have the issue evaluated. This was first noticed about 1 week after taking ownership. I purchased the vehicle on September 13, and noticed the issue on September 20.

Headlights flicker about once every minute. it gives the impression that i am using my brights for oncoming traffic and has caused other drivers to "flash" their brights at me and i get flashed after passing other vehicles. I am concerned that at one point the "flicker" will just shut off and leave me totally in the dark driving country roads. i drive mostly on rural highways. it would be impossible to drive without lights. Also the flicker is causing other drivers to potentially "road rage". I took this to the dealer last month. GM has not come up with a fix and has told the dealer not to do anything at this time. problem has occurred since deliver in early June

Vehicle was brought in 5/18/24 for check engine light Dealer eventually found broken wire in headliner on right side Dealer repaired wire and I picked up vehicle 5/22/24. Vehicle was brought in 7/29/24 for park assist code dealer found short in wire. Dealer stated that to fix wire would require taking cab and bed off frame. Dealer ran a new wire along frame to avoid fixing properly. Vehicle picked up 8/1/24. Vehicle brought in 9/10/24 for a variety of sensors activated. Dealer stated to me that anti-lock brake module was on NATIONAL back order and not expected until 10/28/24. Ut was not safe to drive the vehicle, and they have had the vehicle from 9/10/24. Also, drivers power window module has to be replaced. This 2024 Canyon has been a problem. I have contacted GM and asked for a buyback of the vehicle which GM refused