My GMC dealer falsely reported that recall work was completed on my engine but it was proven by an independent service center that it was not done. Items that have been proven to have not happened were 1. Replace engine oil with higher viscosity oil, 2. Replace oil filter to match new oil, 3. New oil fill cap labeled with oil type, 4. New insert for owner's manual. The way I initially learned the work was not completed was by warnings on my dash about low oil pressure and low oil level in my engine this past weekend. The independent service center provided confirmation that the invoice from my GMC dealer was falsified and that the work they stated was completed was not done. As a result of the failure to complete the work, my engine ran on insufficient oil and, based on the dirtiness of the oil in my engine, it compromised its condition.
2022 GMC Sierra 1500 engine complaints
Page 5 of 10: complaints 101 to 130 of 270, newest first, as owners wrote them.
Took truck in for recall on sept. 19th, it passed and oil was changed per recall. On Nov 1, driving on IH 20. engine oil pressure went to 0 and engine stopped. The dash showed that oil pressure was low and to pull over vehicle. I was going 75 mph at time. Pulled to emergency lane and engine died. Had to tow to dealer. It was very unsafe due to speed and traffic on highway. At no other time was there any indication of engine problem.
The contact owns a 2022 GMC Sierra 1500. The contact stated that while driving at 60 MPH hauling a trailer going downhill, the engine seized. The vehicle was difficult to control. The message to “Shift to Neutral and Restart" was displayed. There were no warning lights illuminated. The driver attempted to restart the vehicle. The contact stated that the running boards were stuck outwards. The contact received notification of the federal safety agency Campaign Number: 25V274000 (Engine and Engine Cooling). The vehicle was towed to the local dealer, where the engine was replaced after two months. The dealer informed the contact that the battery was completely drained. The manufacturer was contacted, but no assistance was provided. The failure mileage was approximately 67,500.
The contact owns a 2022 GMC Sierra 1500. The contact received notification of the federal safety agency Campaign Number: 25V274000 (Engine and Engine Cooling). The contact stated that there was an abnormal grinding and clinking sound coming from the vehicle. There were no warning lights illuminated. The contact called the local dealer and was informed that there was a waiting list for the recall repair. The vehicle was not diagnosed or repaired. The App had alerted the contact to the recall. The manufacturer was not notified of the issue. The failure mileage was approximately 41,216.
The contact owns a 2022 GMC Sierra 1500. The contact stated that while driving approximately 80 MPH, the vehicle suddenly lost power, the engine began knocking, and the vehicle began to decelerate quickly until there was complete engine failure. The contact was able to coast to the emergency lane on the side of the highway. After the failure, several unknown warning lights illuminated on the instrument panel. The vehicle was towed to the dealer, who diagnosed the vehicle with engine failure. The vehicle was included in the federal safety agency Campaign Number: 25V274000 (Engine and Engine Cooling). The contact stated that the engine was replaced. However, with less than 3,000 miles on the new engine, the knocking sound reoccurred while starting the vehicle and while the vehicle was idling. No warning lights were illuminated. The vehicle was returned to the dealer, who diagnosed the vehicle with engine failure and determined that the engine needed to be repaired, but confirmed that an engine replacement was not covered under warranty or recall. The manufacturer was informed of the first failure; however, they were not informed of the latest failure. The failure mileage was approximately 117,457.
2022 GMC Sierra has a P1098 code. This code has to do with a faulty coolant control valve. This causes the engine fan to run constantly and displays on the screen "Reduced Acceleration, Drive with Caution". The truck does not have any power when this happens, which is 99% of the time. This makes using the truck very difficult in high traffic areas and pulling a loaded trailer. Apparently GM knows about this and is not getting the part to correct the problem to the dealerships in a timely manner. My truck was diagnosed with this problem over 2 weeks ago and still waiting on the part.
Constant engine issues. Cams, lifters, now needs new motor. Motor apparently unavailable.
The contact owns a 2022 GMC Sierra 1500. The contact received notification of the federal safety agency Campaign Number: 25V274000 (ENGINE AND ENGINE COOLING). However, the part to do the recall repair was not yet available. The contact stated that while driving at an undisclosed speed, the vehicle failed to accelerate as intended while depressing the accelerator pedal. The contact was able to pull over to the side of the road. The contact turned off the vehicle, and the vehicle failed to restart. The vehicle was towed to the dealer; however, no cause for the failure was found. The vehicle was then towed to an independent mechanic who diagnosed that the engine and computer chips had failed. The vehicle was repaired. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was not made aware of the issue. The failure mileage was 56,313.
See attached document for complaint.
See attached document for complaint. I'm writing to formally express my concern and disappointment regarding the excessive delay in resolving the recall issued for my vehicle. While I understand that safety recalls can involve complex logistics, the prolonged timeframe without any clear resolution has created both an inconvenience and a safety risk for me and other vehicle owners affected by the same issue.
My motor locked up a year ago. Before the recall. At 74k miles. GM stated they did not know why it happened. Although there was 6 of the same trucks in their lot under 20k miles with the same problem. I was forced to pay out of pocket. I notified my GM dealer that my engine was knocking at 15k miles and they did nothing. Now that I have a new engine I have brought it to the dealer 3 times because it is also knocking. They’ve told me they hear it but theirs no code so nothing wrong with it….. GM refused to help me in any way nor will they help me get a reimbursement for their manufacture defective engine that I payed for. I had to take a $10k loan out to get back on the road. Every day that passes I am paying more interest because of GM. They will not even let my bring it in for an inspection and the heavier weight oil (they want me to pay diagnostic fee HA) I don’t want to take legal action but it feels like if I don’t, GM is going to ruin my life. Such a Blatant disregard for the customer. This whole thing has put me in such a terrible financial crisis I’ve been living check to check since this happened. PLEASE HELP ME.
My truck is under the national recall from GMC for the 6.2L engine problems. I even received the recall notice from GMC stating this. This truck has been in and out of the shop for engine problems things I took delivery of it in 2022. The latest was in April of 2025 and while it was in the repair service at the dealership, the national recall came out. During that time the dealership tried to tell me the problem was with my exhaust system so I was not covered under the recall. I knew they were not being truthful so I refused to take possession of the truck as I new it had all the symptoms that GMC was describing in my recall notice. My truck sat at the dealership for almost 5 months and last week they force me to take possession of my truck my taking back my "loaner vehicle". They stated "my truck passed the required inspection", which I knew they were being dishonest, but was forced to take the truck back anyway. Three days after taking possession I was on the interstate doing 60 mph and the engine totally seized up and almost caused an accident from the vehicles behind me running into me because of the sudden decrease in speed. I was able to safely pull over and had to get towed back to the dealership. This incident is beyond just a engine recall now because they new my truck was not safe to drive and forced me to take back my truck. Im just thankful I was driving and not my wife, or having my two grandchildren in the truck with me. To make mtters worse in this scenerio, this truck is actually my replacement truck because my 2021 truck had to be taken back per the Lemon Law in 2022, so this will now be truck #2 being Lemon Law and my original truck loan isnt even paid off. I have all of the various engine repair paperwork on this truck dating back to 2022.
See attached document for complaint. Text from attached document: Unacceptable delays in repair: We have contacted 2 local dealerships, both of which have informed us that the necessary parts are unavaila ble and cannot provide a clear time line for when repairs will be completed. Leesburg Buick GMC Hummer (Country Buick GMC at time of vehicle purchase) Joyce Koons Buick GMC (Service Manager: Michael Nguyen) • Poor communication from GM: We have received no follow-up communication from GM regarding the status of the recall or expected resolution. We have contacted GM twice by phone using the number provided in the recall notice. During the first call, we were transferred to a dealer in Arizona- despite resid ing in Virginia. On our second call, on 8/2, we were informed that our case had been escalated and that we would be contacted within 24-48 hours. As of now, we have not received any return phone call. • Ongoing safety concerns: We are unable to drive the vehicle due to the risk of engine failure, which compromises our safety and that of others on the road.
The contact owns a 2022 GMC Sierra 1500. The contact stated that while driving at various speeds, the radio and other electrical systems failed to function as intended. The contact pulled over to the side of the road and turned off the vehicle. After several minutes, the contact restarted the vehicle and the radio and other electrical systems failed to engage. The contact was unsure if any warning lights were illuminated. The contact stated that on a separate occasion, while driving at various speeds, the check engine warning light illuminated. The vehicle was not taken to the dealer or an independent mechanic. The vehicle was not diagnosed or repaired. Upon further investigation, the contact became aware of a recall on the VIN. The contact parked the vehicle at the residence and no longer drove the vehicle. The contact asked the dealer to provide towing service to tow the vehicle and no response was provided. The manufacturer was not informed of the failure. The failure mileage was approximately 16,000.
I was notified by GMC of recall N25249000 by letter in May 2025. Shortly after I scheduled an appointment with my GM dealer to get the recall repaired but the dealer told me that GM has not told them how to repair the issue. The GM dealer told me they would let me know when GM tells the dealer how to repair the issue, so I could bring the vehicle back to repair the recall. I just received another notice from GMC about the recall today (08/11/2025). It has been roughly 4 months of waiting to get this recall fixed on my vehicle.
The vehicle’s shift control module in the transmission is malfunctioning. The vehicle is shifting hard and having trouble finding the gears. The safety issue is that this is a known GMC transmission malfunction with the risk that the rear wheels can lock up when downshifting in the higher gears. Sudden rear wheels lock up proses a risk to cause an accident on the roadway potentially harming the driver and passengers in the defective vehicle as well as risking other drivers on the road. No warnings were given before the malfunction. The vehicle has been regularly serviced on time and taken care of. The malfunction began and within one week the vehicle progressed to shifting so hard I didn’t feel comfortable driving it especially with my child in tow.
I received a recall notice in May 2025 for L87 Engine. To date, remedy not available. Per the safety recall letter provided, I'm notifying you that the dealer has failed "within a reasonable amount of time" to remedy this situation.
My daughter and I drove to town to run some errands, we live twenty-three minutes away and take the freeway. Speed limit on that specific section of the freeway (I80) is 80mph. As I was taking the on-ramp to enter traffic, My GMC started shifted very hard and losing power. The vehicle was sputtering and making strange sounds. I was unable to exceed 60mph due to excessive vibrations/shaking the vehicle. Steering was starting to be difficult at the same time I noticed Oil Pressure Gauge slowly dropping on instrument panel below 25psi. I had to pull over immediately. oil pressure remained lower than normal, verified Oil was filled to manufactures specifications (changed June 30, 2025). Returned the vehicle to my place of residence as safe and slow as I possibly could and parked it as it is a major safety concern.
The contact owns a 2022 GMC Sierra 1500. The contact stated that while driving at an undisclosed speed, the check engine warning light was illuminated, and the vehicle suddenly stalled. The vehicle was able to restart, but the check engine warning light remained illuminated. The vehicle was taken to the local dealer, where it was diagnosed with an engine oil consumption failure. The vehicle was not repaired. The contact was informed that the failure was related to the federal safety agency Campaign Number: 25V274000( Engine and Engine Cooling). The manufacturer was notified of the failure, but no assistance was offered. The failure mileage was 87,500.
The contact owns a 2022 GMC Sierra 1500. The contact stated the vehicle was consuming an excessive amount of engine oil. The contact stated that engine oil needed to be added after each oil change. The contact stated that recently, the low oil warning illuminated. The contact had taken the vehicle to a local dealer, who was unable to diagnose the vehicle. The vehicle was not repaired. The contact recently received notification of the federal safety agency Campaign Number: 25V274000 (Engine and Engine Cooling). The contact related the excessive oil consumption to the recall. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was informed of the failure. The failure mileage was approximately 47,000.
The contact owns a 2022 GMC Sierra 1500. The contact stated while driving 60 MPH, the vehicle stalled. The message "hot oil" was displayed on the screen. The contact was able to coast to the side of the road where the vehicle failed to restart. The vehicle was towed to the dealer where it was diagnosed that the engine had failed and needed to be replaced. The vehicle was repaired. The contact later received notification of the federal safety agency Campaign Number: 25V274000 (ENGINE AND ENGINE COOLING). The contact stated that on a separate occasion, while the vehicle was idling, the vehicle vibrate abnormally. In addition, the transmission unexpectedly downshifted. The message to be careful when passing, and the message to use both hands while driving were displayed. The contact stated that most recently an alarm was coming from the vehicle. The vehicle was taken to the dealer where it was diagnosed that a fan had failed and needed to be replaced. The contact was unsure if the vehicle was repaired. The failure was a recurring failure. The contact was concerned about the safety of the vehicle while driving. The manufacturer was not informed of the failure. The failure mileage was approximately 37,000.
Unloaded my Denali at huge loss with 30,000 miles because gm wouldn’t fix recall after many times in shop, broke down on freeway, and need to travel to Canada on business. Canada won’t allow vehicles with open safety recalls to enter country even though im pretty sure engine was MADE in Canada. Gm corporate office told me there’s nothing they can do. While in shop for 4 days of testing i watched vehicle on app, never started, moved, just put out back for 4 days then told absolutely nothing. Just wanted fair trade in for diesel. Truck looked identical to brand new on lot, 10/10 except engine recall. Gm promised to reimburse rental fees when broke down a week or so, submitted documents to Gm, nothing recieved. Bought ram instead for obvious reasons. Is there a lemon law, class action, agency etc that can help compensate for losses? The public should be warned!
While driving on streets and freeways the truck will shift hard and then loss of acceleration and into limp mode. Lights all on dash go crazy like brakes, 4WD, fuel gauge and check engine light. It has done it 8 times now and has been in the shop 5 times with same issue. Major safety issue while driving 70 mile hour then governs it at 55-62 mile per hour.
The contact owns a 2022 GMC Sierra 1500. The contact stated that after shifting to drive (D) and depressing the accelerator pedal, the vehicle failed to respond as intended. The contact shifted to park(P) and attempted to turn off the vehicle; however, the vehicle failed to turn off. The contact stated after several attempts, the vehicle turned off; however, the contact was unable to restart the vehicle. The contact stated that the "Service Engine" warning light was illuminated. The contact had the vehicle towed to a dealer. The contact stated that the tow truck driver was unable to shift the vehicle to neutral(N) to winch the vehicle onto the flat bed. The dealer had not yet diagnosed the vehicle. The vehicle was not repaired. The manufacturer was not informed of the failure. The failure mileage was approximately 17,000.
The radiator needs to be replaced on the 3.0L due to a leak in the seam of the radiator. The dealer has stated that they have had a few in the shop recently due to the same issue. There are a lot of complaints online that have the same issue, and customers have had to pay $3000 for the same replacement.
Pulling away from a stop sign when we were driving, and when I started to excelerate the truck it just died. We were at a busy intersection and was able to pull off the road into a parking lot and had AAA come and tow the truck and took it to Poages Auto Plaza, Quincy IL. This could have been really serious had we been on a busier road. We tried to restart the vehical and it would not start. We are going to need a loaner vehical preferrably a Truck.
The contact owns a 2022 GMC Sierra 1500. The contact received notification of the federal safety agency Campaign Number: 25V274000 (Engine and Engine Cooling); however, the part to do the recall repair was not yet available. The local dealer and Classic Chevrolet Buick GMC of Cleburne (822 Walter P. Holliday, Cleburne, TX 76033); were contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was not made aware of the issue. The contact had not experienced a failure. VIN tool confirms parts not available.
The contact owns a 2022 GMC Sierra 1500. The contact received notification of the federal safety agency Campaign Number: 25V274000 (Engine and Engine Cooling); however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The dealer was made aware of the issue and confirmed that parts were not yet available. The manufacturer was made aware of the issue and confirmed that parts were not yet available. The contact had not experienced a failure. VIN tool confirms parts not available.
Year: 2022 Make: GMC Model: Sierra 1500 Denali 6.2L V8] - Location: Navajo Nation Reservation - [XXX] INCIDENT DESCRIPTION The engine completely seized while driving at highway speed, rendering the vehicle inoperable. Farmington GMC dealership confirmed total engine failure requiring complete replacement. All engine components available for inspection at dealership. I request preservation of all failed components for manufacturer/the federal safety agency inspection. Safety Risk This catastrophic failure created severe safety hazards: 1. Highway Emergency: Engine seized at approximately 65 mph, causing sudden power loss requiring emergency stop in remote area off [XXX]. 2. Remote Stranding: Breakdown in extremely remote Navajo reservation area with minimal cell service, no local emergency service available, leaving family of three small children, y wife and myself, stranded overnight in vehicle under harsh desert conditions and exposed to robbery or worse. Emotional and mental stress was very high. 3. System Failures: Complete engine failure caused loss of power steering, brakes, air conditioning, and charging systems during emergency stop. Dealer Confirmation YES - Confirmed by Farmington GMC Dealership (Farmington, NM): - Complete engine seizure diagnosis - Total engine failure requiring replacement - All diagnostic documentation available Official Inspections - GMC dealership technicians confirmed engine seizure - Requesting formal GM inspection of failed components - Insurance inspection: Pending to contact USAA - Request: Preserve all components for the federal safety agency analysis Warning Signs CRITICAL: NO warning signs prior to failure: - Comprehensive service 5 days before failure - all systems normal, fluids topped off Pre-trip service records show all systems within normal parameters Additional Information GMC issued recall for 2021-2024 Sierra engine defects (VINs/parts unavailable) Dealership confirmed relation to known manufacturing defects INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
Due to GMC not having a fix for the safety recall to repair the potential engine failure, we are unsafe driving our car. This has been in effect since April and still no fix is available. We feel extremely unsafe driving this car due to this issue.
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