2024 GMC SIERRA 2500

LATCHES/LOCKS/LINKAGES:TAILGATE:LATCH

General Motors, LLC (GM) is recalling certain 2020-2024 Chevrolet Silverado 2500, 3500, GMC Sierra 2500 and 3500 vehicles equipped with power-unlatching tailgates. The tailgate's electronic gate-release switch may short circuit due to water intrusion, which can result in the tailgate inadvertently unlatching while the vehicle is in park.

Risk: An unlatched tailgate may open while driving and result in a loss of unsecured cargo, creating a road hazard and increasing the risk of a crash.

LATCHES/LOCKS/LINKAGES:TAILGATE:LATCH

General Motors, LLC (GM) is recalling certain 2024 Chevrolet Silverado HD 2500, 3500, and GMC Sierra HD 2500, 3500 vehicles equipped with power-unlatching tailgates. The tailgate's electronic gate-release switch may short circuit due to water intrusion, which can result in the tailgate inadvertently unlatching while the vehicle is in Park.

Risk: An unlatched tailgate may open and result in a loss of unsecured cargo, creating a road hazard and increasing the risk of a crash.

POWER TRAIN

The contact owns a 2024 GMC Sierra 2500. The contact stated that transmission fluid was leaking onto the garage floor. The contact stated that while driving at an undisclosed speed, the transmission hesitated before shifting. The contact stated that the check transmission warning light was illuminated. The vehicle was taken to a local dealer; however, the dealer was unable to diagnose the vehicle. The vehicle was not repaired. The contact had inquired if the transmission needed to be replaced, and was informed that transmissions were on a national back order. The manufacturer was not informed of the failure. The failure mileage was 8,808.

TIRES

The contact owns a 2024 GMC Sierra 2500 equipped with BF Goodrich Tires, Tire Line: K03, Tire Size: 275/70/R18, DOT Number: (N/A). The contact stated that while driving approximately 65 MPH, the vehicle started vibrating. No warning light was illuminated. A dealer was contacted. The vehicle was taken to the dealer where it was diagnosed, and determined that the tires were out of round and provided the contact with several readings on the tires. The manufacturer was contacted, and informed the contact that the tires were out of warranty. The failure mileage was approximately 25,000.

ELECTRICAL SYSTEM:12V/24V/48V BATTERY

The contact owns a 2024 GMC Sierra 2500. The contact received notification of NHTSA Campaign Number: 24V894000 (LATCHES/LOCKS/LINKAGES); and the vehicle was taken to a local dealer where the recall repair was performed; however, the contact became aware that the battery was draining, and the vehicle failed to start on more than one occasion. The contact stated that the check engine warning light remained illuminated. The local dealer was contacted; however, the vehicle was not diagnosed or repaired. The manufacturer was notified of the failure. The approximate failure mileage was 41,000.

POWER TRAIN

Problem #1: Trailer brakes failed while pulling 40' fifth wheel trailer. Was driving at about 50MPH on a 55MPH road and was approaching a stop light. I went to apply my truck and trailer brakes simultaneously and quickly found out I had "lost" my trailer brake. This happened another two times within the next 10 mile trip to my house. I immediately disconnected my trailer and took my truck to the shop. The GMC Dealer fixed this issue, however, it is both scary and extremely dangerous to the public when something like this happens on a brand new truck. Problem #2: Right around 30,000 miles I was driving (unloaded) down the road at about 35MPH when I felt a hard clunk in the transmission followed by grinding noises - immediately a notice flashed on the dash stating the truck went into reduced acceleration and the check engine light came on. I brought my truck to a local GMC Dealer to be serviced on June 19th and they advised me it was the Allison transmission valve body. The part has been on back-order and my truck is still at the dealership sitting in the back lot with at least 4 other 2024 HD models. I called GM twice to inquire about Safety Recall N242454440 (covering 2020-2022 GM Vehicles) and recommend that it get extended beyond 2022 since the problem with the transmission valve body has not been resolved yet. I have not heard anything back from them since that call back in June.

SERVICE BRAKES

Problem #1: Trailer brakes failed while pulling 40' fifth wheel trailer. Was driving at about 50MPH on a 55MPH road and was approaching a stop light. I went to apply my truck and trailer brakes simultaneously and quickly found out I had "lost" my trailer brake. This happened another two times within the next 10 mile trip to my house. I immediately disconnected my trailer and took my truck to the shop. The GMC Dealer fixed this issue, however, it is both scary and extremely dangerous to the public when something like this happens on a brand new truck. Problem #2: Right around 30,000 miles I was driving (unloaded) down the road at about 35MPH when I felt a hard clunk in the transmission followed by grinding noises - immediately a notice flashed on the dash stating the truck went into reduced acceleration and the check engine light came on. I brought my truck to a local GMC Dealer to be serviced on June 19th and they advised me it was the Allison transmission valve body. The part has been on back-order and my truck is still at the dealership sitting in the back lot with at least 4 other 2024 HD models. I called GM twice to inquire about Safety Recall N242454440 (covering 2020-2022 GM Vehicles) and recommend that it get extended beyond 2022 since the problem with the transmission valve body has not been resolved yet. I have not heard anything back from them since that call back in June.

ELECTRICAL SYSTEM

The contact owns a 2024 GMC Sierra 2500. The contact stated that the vehicle had failed to start on several occasions. The vehicle was taken to the dealer, where it was diagnosed with low voltage and electrical failures. The dealer replaced the two batteries; however, the failure recurred. The dealer then replaced one of the batteries; however, the failure persisted. The vehicle was towed to the dealer. The vehicle was not repaired. The manufacturer was notified of the failure, and the contact requested buyback assistance, but no assistance was provided. A case was filed. The failure mileage was approximately 22,000.

ELECTRICAL SYSTEM

During a drive home, while in motion, the tailgate of the vehicle opened on its own. This has occurred after the recall to repair this issue was already performed. I know the tailgate was shut prior to the drive because I back into my parking spot and walk the sidewalk behind my truck prior to starting the vehicle.

STRUCTURE:BODY

During a drive home, while in motion, the tailgate of the vehicle opened on its own. This has occurred after the recall to repair this issue was already performed. I know the tailgate was shut prior to the drive because I back into my parking spot and walk the sidewalk behind my truck prior to starting the vehicle.

UNKNOWN OR OTHER

Loss of audio throughout an entire drive/ignition cycle. This includes the loss of the blinker click/clack audio when the blinker is on. When the loss of audio issue occurs, the driver has no audio input indicating a blinker is on even though the actual blinker is flashing to other drivers. Therefore, an unaware driver (due to no audio feedback) with a blinker left on could have another driver pull out in front of them thinking they intended to turn with the result being a collision.

POWER TRAIN

Valve Body went out and no eta when its supposed to get in the dealership.

POWER TRAIN

Code P0777 – "Pressure Control Solenoid 'B' Stuck On" – Reduced Propulsion / Reduced Engine Power Initiated While merging onto the interstate, this code triggered a reduction in engine power, limiting my speed to 35 mph on a highway with a posted limit between 40-70 mph. Due to the limited power, I was forced to drive on the shoulder to reach the next exit and pull into a service station. I verified the code using an OBD-II reader at AutoZone. Subsequently, I had the truck towed approximately 1 hour and 30 minutes back home. The vehicle has been at a GM dealership since June 24th, where the faulty valve body has been confirmed. However, there is currently no estimated arrival date for the replacement part, which was ordered on the same date. To my knowledge, the part has only been diagnosed electronically and has not yet been visually inspected. The dealer plans to remove the valve body and transmission pan once the replacement part arrives. Notably, there were no prior warnings, messages, or symptoms before this issue occurred; this code and power reduction were the first indications of a problem.

POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT:VALVES/VALVE BODY

The contact owns a 2024 Chevrolet Sierra 2500. The contact stated that while his son was driving 60-62 MPH in tenth gear, the transmission unexpectedly downshifted to seventh gear. There was an abnormally loud clunking sound coming from the vehicle. There were no warning lights illuminated. The vehicle was taken to the local dealer, where it was diagnosed and determined that the valve body needed to be replaced. The vehicle was not repaired due to the parts being on backorder. The manufacturer was contacted, but no additional assistance was provided. The failure mileage was approximately 68,000.

POWER TRAIN

The contact owns a 2024 Chevrolet Sierra 2500. The contact stated that while his son was driving 60-62 MPH in tenth gear, the transmission unexpectedly downshifted to seventh gear. There was an abnormally loud clunking sound coming from the vehicle. There were no warning lights illuminated. The vehicle was taken to the local dealer, where it was diagnosed and determined that the valve body needed to be replaced. The vehicle was not repaired due to the parts being on backorder. The manufacturer was contacted, but no additional assistance was provided. The failure mileage was approximately 68,000.

SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES

The contact owns a 2024 GMC Sierra 2500. The contact stated that while driving at an undisclosed speed and approaching a stop, the contact simultaneously depressed the brake pedal and accelerator pedal, causing the vehicle to move forward and to stop simultaneously. The contact stated that the pedals were significantly close to each other. The contact’s foot was sliding off the pedals. The vehicle was taken to the local dealer, and the contact requested for an adjustment of the pedals. The vehicle was not diagnosed or repaired. The manufacturer was contacted, but no assistance was provided. The failure mileage was approximately 10.

VEHICLE SPEED CONTROL:ACCELERATOR PEDAL

The contact owns a 2024 GMC Sierra 2500. The contact stated that while driving at an undisclosed speed and approaching a stop, the contact simultaneously depressed the brake pedal and accelerator pedal, causing the vehicle to move forward and to stop simultaneously. The contact stated that the pedals were significantly close to each other. The contact’s foot was sliding off the pedals. The vehicle was taken to the local dealer, and the contact requested for an adjustment of the pedals. The vehicle was not diagnosed or repaired. The manufacturer was contacted, but no assistance was provided. The failure mileage was approximately 10.

POWER TRAIN

The contact owns a 2024 GMC Sierra 2500. The contact stated that while driving 60 MPH, the vehicle went into LIMP Mode. The contact stated that the vehicle then inadvertently lost motive power and was unable to accelerate above 40 MPH. The vehicle returned to normal functionality, but the failure became a regular occurrence. The check engine warning light was illuminated. The vehicle was taken to the dealer, who diagnosed failures with the transmission solenoid and transmission control module (TCM). The vehicle was not repaired. The manufacturer was notified of the failure, a case was opened, and the contact was referred to the NHTSA Hotline for assistance. The failure mileage was 50,000.

POWER TRAIN

2024 GMC DENALI HD with approx. 12, 500 miles: The truck is constantly going into limp mode. Driving down the road, first it feels like the wheels lock up with a loud noise. Immediately goes into limp mode and check engine light comes on. Took it to the dealer yesterday 6/3/25 for repairs. I just spoke to my service advisor this morning where I was told it was the Valve Body of the transmission that needed to be replaced. However, they were on backorder and have no ETA on when they will get a replacement.

FUEL SYSTEM, GASOLINE

The contact owns a 2024 GMC Sierra 2500. The contact stated that after parking and turning off the vehicle, the vehicle failed to restart. No warning light was illuminated. The vehicle was towed to the dealer for diagnostic testing, but no diagnostic trouble codes were retrieved. The dealer replaced the fuel pump module. No further information was available. The manufacturer was made aware of the failure and advised the contact to file a vehicle safety complaint with the NHTSA Hotline. The failure mileage was approximately 11,000.

STRUCTURE:BODY

My truck is experiencing an issue that is already a recall for similar trucks, but my VIN is not included in the recall. My tailgate opens on its own. This sometimes happens when I am driving down the road. This is a safety risk because if I am hauling something in the back, and the tailgate drops down, there is a chance the load could fall out of the truck and harm another vehicle or person that is behind my truck. I brought the truck to the dealer and they said they could not find any evidence of this issue, even though they stated that it is a known issues with these trucks. There were no waring lamps or messages. The only symptoms are that the battery can die if the truck is not used for a day or more and that the tailgate opens on its own whether the truck is parked or driving.

POWER TRAIN

Vehicle transmission locked up and brought me down to 20-30mph out of the blue at [XXX] . INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

UNKNOWN OR OTHER

Safety Concern Report: 2024 GMC Sierra Gear Shifter Obstruction ⸻ Vehicle Information: 2024 GMC Sierra [Specify 1500/2500/3500] [Optional: VIN Number] ⸻ Description of the Problem: I am writing to report a design concern with my 2024 GMC Sierra. The location and height of the gear shifter on this vehicle significantly obstruct the driver’s view of the center infotainment screen and console, especially while seated in a normal, upright driving position. The gear shifter blocks important information such as navigation directions, ETA, media controls, and other on-screen notifications. This forces me to lean forward or reposition myself in an unnatural way while driving, which I believe creates an unnecessary distraction and increases the risk of driver error or loss of situational awareness. I have attempted to adjust my seating position, steering wheel angle, and seat height, but none of these adjustments fully resolve the obstruction. After discussing this issue with other owners online, I found that multiple GMC Sierra owners have experienced the same visibility problem. Some have even resorted to aftermarket modifications to address the design flaw. I believe this is a design oversight that affects safe vehicle operation. I respectfully request that GMC and the National Highway Traffic Safety Administration review this issue for potential corrective action. ⸻ Requested Action: Please investigate this safety concern and consider potential solutions, such as a recall, design revision, or retrofit option to improve screen visibility without forcing the driver into unsafe driving postures. Thank you for your attention to this matter.

UNKNOWN OR OTHER

Warning chimes and tones go silent intermittently, thus not providing audible alerts to the driver of vehicle problems and/or warnings. The problem has been reported and confirmed by a GM dealership. The dealership confirmed that there is a bulletin within the GM system that there is a problem however there is no current fix. This problem has existed for over 10 months of ownership. There is no warning that this has occurred other than there is no warning chimes/tones, only visual indicators.

SUSPENSION

The contact owns a 2024 GMC Sierra 2500. The contact's husband stated that while driving 60 MPH, the vehicle started violently bouncing up and down. There were no warning lights illuminated. The vehicle was taken to a dealer; however, the dealer was unable to duplicate the failure or diagnose the vehicle. The vehicle was not repaired. The manufacturer was made aware of the failure and referred the contact to the NHTSA Hotline to report the failure. The failure mileage was approximately 12,000.

UNKNOWN OR OTHER

Replaced the exhaust tail pipe tip past the DPF and warning light came on after miles of driving. Vehicle was locked up and only able to drive 55 Mph and there was a countdown to it dropping even lower. Dangerous to limit speed. This shouldn’t happen anyway with just changing out exhaust tailpipe. Very costly unnecessary repair

FUEL/PROPULSION SYSTEM

Replaced the exhaust tail pipe tip past the DPF and warning light came on after miles of driving. Vehicle was locked up and only able to drive 55 Mph and there was a countdown to it dropping even lower. Dangerous to limit speed. This shouldn’t happen anyway with just changing out exhaust tailpipe. Very costly unnecessary repair

ELECTRICAL SYSTEM

Having issues with inner tailgate opening on its own and items falling out of bed/box onto road!

STEERING

My truck wonders down the highway. It has been to the dealership well over 4 times. They have aligned the truck multiple times, changed the steering gear box, changed the power steering pump, changed tires and nothing fixes it. It takes constant adjusting of the steering to stay in my lane on any road. Quite pitiful for a $90,000 truck. It is currently at the dealership for the THIRD time in the past 7 days because they can’t get the truck to stop leaking fluids since changing the power steering pump. Excessive play in the steering and has been like that since day one that I left the lot. My wife can’t even drive the truck because she feels unsafe with how much play is in the steering. The dealership won’t do anything about it and is offering $20,000 less than I gave for the truck now that I can’t tolerate it anymore. But I refuse to lose that much money with only 13,000 miles on it. I just want a safe and reliable truck for my business and my family. Unfortunately that is not what GM has provided me with.

UNKNOWN OR OTHER

The AC/Heat blower (fan) stopped working. The vehicle was new purchased new May 2023. August 2024 the blower motor stopped working. Took the vehicle to Jerry's GMC Weatherford, TX (where it was purchased) and they check the blower motor and replaced it. No charge for the service. Reason given for blower motor problem was, "motor shorted out, burnt the wiring and the connector". Now, February, 2025, the blower motor stopped working once again. Took it back to Jerry's GMC, Weatherfore, TX. The blower motor had shorted out once again, burnt the wires and connector. Reason given for the reaccurring problem, " the blower motors they are getting have a bearing problem, causing the motor to go to ground, overheat the wiring and burns the connector". They replaced the blower motor once again and no charge. The reason for this notice is, With these motors shorting out because of internal problems, the wiring melting and connector melting, there is the possibility of a fire hazard. We feel that there needs to an investigation into this problem before something happens. Thanks

LANE DEPARTURE: BLIND SPOT DETECTION

The side mirrors have spider cracked from some type of electrical issue. This is the 2nd time this happened and it burns both mirrors at the same time. The mirrors become unusable and it appears The dealer replaced them under warranty the first time and the second time they said it is out of warranty so I had to pay out of pocket.

ELECTRICAL SYSTEM

The side mirrors have spider cracked from some type of electrical issue. This is the 2nd time this happened and it burns both mirrors at the same time. The mirrors become unusable and it appears The dealer replaced them under warranty the first time and the second time they said it is out of warranty so I had to pay out of pocket.

ELECTRICAL SYSTEM

024 GMC Sierra 2500 Denali Ultimate, which has suffered: •Five catastrophic engine failures at highway speeds. •Total brake failure, leaving the truck unable to stop. •Severe electrical malfunctions, including flickering headlights at night. •Retaliatory actions from General Motors after I refused to waive my legal rights. I have documented proof, including GM’s own service records, emails, and a 7-minute recorded statement from GM’s highest-level technician, confirming that GM installed the wrong computer module (1500 series instead of the required 2500 series) in my truck. Additionally, I have evidence that GM executives instructed technicians to conduct diagnostics, take apart the engine, and reassemble it—but NOT repair the defect—after I refused to sign an affidavit waiving my rights. Due to these failures, I suffered a dislocated shoulder in one of the incidents, and my [XXX] daughter remains traumatized to this day. Given the immediate danger this defect poses to other GMC Sierra 2500 owners, I respectfully request that NHTSA open an investigation and consider issuing a recall before a tragedy occurs. 1. Engine Failures Since 3,000 Miles – GM’s Own Work Orders Confirm Issue Since purchasing my 2024 GMC Sierra 2500 Denali Ultimate, I have experienced five catastrophic engine failures, all occurring while traveling at highway speeds (70 mph): •The truck suddenly lost power, dropping from 70 mph to 5-10 mph within seconds. •This created an immediate risk of being rear-ended or losing control on the highway. •GM’s own service records confirm that my engine issues began at just 3,000 miles. •GM dealerships misdiagnosed the issue FOUR TIMES, returning my truck to me in an unsafe condition. •The real cause was only identified after the FIFTH failure, when a GM-certified head technician finally determined that GM had installed the wrong computer module (1500 series instead of 2500 series). This means that for months, GM knew my vehicle w INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA

ENGINE

024 GMC Sierra 2500 Denali Ultimate, which has suffered: •Five catastrophic engine failures at highway speeds. •Total brake failure, leaving the truck unable to stop. •Severe electrical malfunctions, including flickering headlights at night. •Retaliatory actions from General Motors after I refused to waive my legal rights. I have documented proof, including GM’s own service records, emails, and a 7-minute recorded statement from GM’s highest-level technician, confirming that GM installed the wrong computer module (1500 series instead of the required 2500 series) in my truck. Additionally, I have evidence that GM executives instructed technicians to conduct diagnostics, take apart the engine, and reassemble it—but NOT repair the defect—after I refused to sign an affidavit waiving my rights. Due to these failures, I suffered a dislocated shoulder in one of the incidents, and my [XXX] daughter remains traumatized to this day. Given the immediate danger this defect poses to other GMC Sierra 2500 owners, I respectfully request that NHTSA open an investigation and consider issuing a recall before a tragedy occurs. 1. Engine Failures Since 3,000 Miles – GM’s Own Work Orders Confirm Issue Since purchasing my 2024 GMC Sierra 2500 Denali Ultimate, I have experienced five catastrophic engine failures, all occurring while traveling at highway speeds (70 mph): •The truck suddenly lost power, dropping from 70 mph to 5-10 mph within seconds. •This created an immediate risk of being rear-ended or losing control on the highway. •GM’s own service records confirm that my engine issues began at just 3,000 miles. •GM dealerships misdiagnosed the issue FOUR TIMES, returning my truck to me in an unsafe condition. •The real cause was only identified after the FIFTH failure, when a GM-certified head technician finally determined that GM had installed the wrong computer module (1500 series instead of 2500 series). This means that for months, GM knew my vehicle w INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA

SERVICE BRAKES

024 GMC Sierra 2500 Denali Ultimate, which has suffered: •Five catastrophic engine failures at highway speeds. •Total brake failure, leaving the truck unable to stop. •Severe electrical malfunctions, including flickering headlights at night. •Retaliatory actions from General Motors after I refused to waive my legal rights. I have documented proof, including GM’s own service records, emails, and a 7-minute recorded statement from GM’s highest-level technician, confirming that GM installed the wrong computer module (1500 series instead of the required 2500 series) in my truck. Additionally, I have evidence that GM executives instructed technicians to conduct diagnostics, take apart the engine, and reassemble it—but NOT repair the defect—after I refused to sign an affidavit waiving my rights. Due to these failures, I suffered a dislocated shoulder in one of the incidents, and my [XXX] daughter remains traumatized to this day. Given the immediate danger this defect poses to other GMC Sierra 2500 owners, I respectfully request that NHTSA open an investigation and consider issuing a recall before a tragedy occurs. 1. Engine Failures Since 3,000 Miles – GM’s Own Work Orders Confirm Issue Since purchasing my 2024 GMC Sierra 2500 Denali Ultimate, I have experienced five catastrophic engine failures, all occurring while traveling at highway speeds (70 mph): •The truck suddenly lost power, dropping from 70 mph to 5-10 mph within seconds. •This created an immediate risk of being rear-ended or losing control on the highway. •GM’s own service records confirm that my engine issues began at just 3,000 miles. •GM dealerships misdiagnosed the issue FOUR TIMES, returning my truck to me in an unsafe condition. •The real cause was only identified after the FIFTH failure, when a GM-certified head technician finally determined that GM had installed the wrong computer module (1500 series instead of 2500 series). This means that for months, GM knew my vehicle w INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA

FUEL/PROPULSION SYSTEM

I leased this vehicle on May 17, 2024, expecting it to function as intended. Instead, within months, it suffered recurring and escalating failures that have rendered it unsafe and unusable. January 7, 2025, I brought the truck to Gates GMC for routine service and reported that it had lunged forward by approximately 2 to 2.5 feet while shifting into park. Additionally, it exhibited irregular acceleration and rough down shifting in lower gears. I also communicated the check engine light has come on and gone off on the dashboard over the past week a few times without receiving any information on the app. At this January 7th visit, GM performed Recall N242435631, supposedly addressing a known battery drain defect that caused total vehicle shutdowns. On January 24, 2025, I started the truck and was immediately overwhelmed by an intense chemical odor coming through the ventilation system. January 31 – February 1, 2025 – Erratic Engine Warning Lights & Diagnostic Failures On January 31, 2025, at 5:28 PM, on this key cycle the check engine light illuminated but failed to register in the GM app. On the next key cycle, the warning disappeared. The following morning, February 1, 2025, at 10:26 AM, the check engine light Appeared on the first key cycle before disappearing on the second key cycle. The onboard diagnostics system failed to log or retain these warnings. On February 7, 2025, the vehicle suffered a complete electrical failure. no electronic function whatsoever. Roadside Assistance attempted to jump-start the truck using a high-powered jump pack, but it remained inoperable. A ford super duty and jump pack were needed to force start the truck. February 10, 2025 the truck suffered another total electrical failure and required towing to Gates GMC. The app indicated the Brake System, Anti-Lock Braking System, Emissions System (Specifically the exhaust system), and Power Train requiring service. My truck is at Gates GMC and was drawing 90 milliamps opposed to 40

ELECTRICAL SYSTEM

I leased this vehicle on May 17, 2024, expecting it to function as intended. Instead, within months, it suffered recurring and escalating failures that have rendered it unsafe and unusable. January 7, 2025, I brought the truck to Gates GMC for routine service and reported that it had lunged forward by approximately 2 to 2.5 feet while shifting into park. Additionally, it exhibited irregular acceleration and rough down shifting in lower gears. I also communicated the check engine light has come on and gone off on the dashboard over the past week a few times without receiving any information on the app. At this January 7th visit, GM performed Recall N242435631, supposedly addressing a known battery drain defect that caused total vehicle shutdowns. On January 24, 2025, I started the truck and was immediately overwhelmed by an intense chemical odor coming through the ventilation system. January 31 – February 1, 2025 – Erratic Engine Warning Lights & Diagnostic Failures On January 31, 2025, at 5:28 PM, on this key cycle the check engine light illuminated but failed to register in the GM app. On the next key cycle, the warning disappeared. The following morning, February 1, 2025, at 10:26 AM, the check engine light Appeared on the first key cycle before disappearing on the second key cycle. The onboard diagnostics system failed to log or retain these warnings. On February 7, 2025, the vehicle suffered a complete electrical failure. no electronic function whatsoever. Roadside Assistance attempted to jump-start the truck using a high-powered jump pack, but it remained inoperable. A ford super duty and jump pack were needed to force start the truck. February 10, 2025 the truck suffered another total electrical failure and required towing to Gates GMC. The app indicated the Brake System, Anti-Lock Braking System, Emissions System (Specifically the exhaust system), and Power Train requiring service. My truck is at Gates GMC and was drawing 90 milliamps opposed to 40

POWER TRAIN

I leased this vehicle on May 17, 2024, expecting it to function as intended. Instead, within months, it suffered recurring and escalating failures that have rendered it unsafe and unusable. January 7, 2025, I brought the truck to Gates GMC for routine service and reported that it had lunged forward by approximately 2 to 2.5 feet while shifting into park. Additionally, it exhibited irregular acceleration and rough down shifting in lower gears. I also communicated the check engine light has come on and gone off on the dashboard over the past week a few times without receiving any information on the app. At this January 7th visit, GM performed Recall N242435631, supposedly addressing a known battery drain defect that caused total vehicle shutdowns. On January 24, 2025, I started the truck and was immediately overwhelmed by an intense chemical odor coming through the ventilation system. January 31 – February 1, 2025 – Erratic Engine Warning Lights & Diagnostic Failures On January 31, 2025, at 5:28 PM, on this key cycle the check engine light illuminated but failed to register in the GM app. On the next key cycle, the warning disappeared. The following morning, February 1, 2025, at 10:26 AM, the check engine light Appeared on the first key cycle before disappearing on the second key cycle. The onboard diagnostics system failed to log or retain these warnings. On February 7, 2025, the vehicle suffered a complete electrical failure. no electronic function whatsoever. Roadside Assistance attempted to jump-start the truck using a high-powered jump pack, but it remained inoperable. A ford super duty and jump pack were needed to force start the truck. February 10, 2025 the truck suffered another total electrical failure and required towing to Gates GMC. The app indicated the Brake System, Anti-Lock Braking System, Emissions System (Specifically the exhaust system), and Power Train requiring service. My truck is at Gates GMC and was drawing 90 milliamps opposed to 40

LANE DEPARTURE: ASSIST

The systems have become unavailable. Took to dealership and they were told it just needed a software update. Dealer performed update GM sent and did not work. Dealer was told GM engineers would need to find a fix. I complained to GM and asked that they replace the cameras, especially because the vehicle is under warranty, and I was told no because that won't fix the issue. They don't even know what needs to be done to fix the issue though, but won't try a camera swap. They told me I need to take it back to the dealer so they can run diagnostics on it when the issue happens. I don't know what is so hard to understand that the issue is always there; the systems don't work and my dash always has the light the forward collision system not on and given a message when I start the truck that it is not available. This began to be an issue around 9000 miles. It first started by saying window camera blocked due to frost, but when it was clear, and I cleaned every camera and sensor, it still would not come on. This was 1.5 months ago. I don't understand why they are not trying to expedite fixing this safety issue. The dealer can't do anything until GM tells them to change out camera or send another fix, but there is no software fix available. I can forward emails between myself and GM and you can clearly see they are not listening. If that would be helpful, please let me know how to forward them.

LANE DEPARTURE: WARNING

The systems have become unavailable. Took to dealership and they were told it just needed a software update. Dealer performed update GM sent and did not work. Dealer was told GM engineers would need to find a fix. I complained to GM and asked that they replace the cameras, especially because the vehicle is under warranty, and I was told no because that won't fix the issue. They don't even know what needs to be done to fix the issue though, but won't try a camera swap. They told me I need to take it back to the dealer so they can run diagnostics on it when the issue happens. I don't know what is so hard to understand that the issue is always there; the systems don't work and my dash always has the light the forward collision system not on and given a message when I start the truck that it is not available. This began to be an issue around 9000 miles. It first started by saying window camera blocked due to frost, but when it was clear, and I cleaned every camera and sensor, it still would not come on. This was 1.5 months ago. I don't understand why they are not trying to expedite fixing this safety issue. The dealer can't do anything until GM tells them to change out camera or send another fix, but there is no software fix available. I can forward emails between myself and GM and you can clearly see they are not listening. If that would be helpful, please let me know how to forward them.