2023 GMC SIERRA 3500 Problems & Recalls

The brake controller on trucks error out while towing. Shuts brakes off. Not a good thing towing 16,000lbs down hill. Almost accident. Destroyed my truck brakes and warped rotors. The controller checks the house battery on trailer and if not in range shuts brakes off. The brake towing scre...

The contact owns a 2023 GMC Sierra 3500. The contact stated that while driving approximately 60 MPH, the messages "Service Charging System" and "Service Diesel Emissions System" were displayed, and suddenly the power steering and power brakes malfunctioned, causing the contact to almost lose control...

Mileage: 79,000

The contact owns a 2023 GMC Sierra 3500. The contact stated that while driving approximately 60 MPH, the messages "Service Charging System" and "Service Diesel Emissions System" were displayed, and suddenly the power steering and power brakes malfunctioned, causing the contact to almost lose control...

Mileage: 79,000

The contact owns a 2023 GMC Sierra 3500. The contact stated that while driving approximately 60 MPH, the messages "Service Charging System" and "Service Diesel Emissions System" were displayed, and suddenly the power steering and power brakes malfunctioned, causing the contact to almost lose control...

Mileage: 79,000

My rear wheels randomly lock up and truck violently shakes. It does it randomly in very long trips so GM and every dealer I've brought it to just says that "they cant help me because they cant get it to replicate. Had the same issue with my 2020 and it has an open recall for the exact same thing. Th...

Formal Complaint Against General Motors and Dealership – Ongoing Warranty Issue and Vehicle Inoperability To Whom It May Concern, I am writing to formally escalate a serious and unresolved issue regarding my vehicle, and the lack of meaningful action taken by both General Motors (GM) and an author...

Transmission issues 5/5/2025, bearly 15,000 miles on it, was excelerating from a stop heading down hill when rear tires locked up, engine downshifted, engine light and limp mode flashed across my screen. threw it into nutral and coasted to next signal and pulled into gas station back parking lot. No...

My truck has the shift to park issue and won’t allow me to shut the vehicle ignition off and I cannot shut the vehicle ignition off and it is unsafe and keeps me trapped in my vehicle. I have noticed that it is a common issue and recall on many gmc trucks and I took it to the dealership and they a...

My truck has the shift to park issue and won’t allow me to shut the vehicle ignition off and I cannot shut the vehicle ignition off and it is unsafe and keeps me trapped in my vehicle. I have noticed that it is a common issue and recall on many gmc trucks and I took it to the dealership and they a...

The contact owns a 2023 GMC Sierra 3500. The contact stated that while hauling a trailer and driving approximately 40 MPH, the contact attempted to merge into traffic and the message "Restricted Power Mode" was displayed. During the failure the transmission failed to properly shift into a higher gea...

Mileage: 33,800

Transmission is locking up and making rear wheels violently shake on the highway at high speeds. There is a TSB for the trans valve body on 2020-2022 but it's doing the same for my year and every year with the new 10 speed Allison. It will put your vehicle in power reduce mode as well. I've had a 20...

We were traveling to our cabin in Southern Utah when the Transmission Control Solenoid Valve stuck in an "on" position. We were unable to accelerate more than 55 miles per hour. We stopped in St. George and went to the Chevy dealer for a fix. We were told that they could not get to our vehicle fo...

The contact owns a 2023 GMC Sierra 3500. The contact stated while driving at various speeds and hauling a 2023 Merhow Horse trailer, the TPMS became inoperable and could not read the trailer tire pressure. The vehicle was taken to the dealer, where it was diagnosed and determined that the failure oc...

Mileage: 7,000

There are 2 issues with this vehicle: #1) The rear window defrost causes an electrical issue that melted the plastic on our rear sliding window. Dealer claims we put something hot against the window but we did not. This appeared after we used the rear defrost. Several other owners have complained a...

There are 2 issues with this vehicle: #1) The rear window defrost causes an electrical issue that melted the plastic on our rear sliding window. Dealer claims we put something hot against the window but we did not. This appeared after we used the rear defrost. Several other owners have complained a...

Transmission had a hard shift which jolted the truck switching gears to a lower one unexpectedly. It caused my body to jerk back. It happened 3 times. 2 were mild but the 3rd time was extreme. Always while accelerating. Average speed was about 50 mph when this occurred. Dealer has confirmed a f...

We’ve had issues with the electrical system/brake lights when we hook any trailer (horse/boat/utility) to the truck. One issue is that the system shows unconnected and the trailer lights blink or do not work. We’ve brought this in to the dealer 3 times and they have yet to resolve the issue. The...

We’ve had issues with the electrical system/brake lights when we hook any trailer (horse/boat/utility) to the truck. One issue is that the system shows unconnected and the trailer lights blink or do not work. We’ve brought this in to the dealer 3 times and they have yet to resolve the issue. The...

We’ve had issues with the electrical system/brake lights when we hook any trailer (horse/boat/utility) to the truck. One issue is that the system shows unconnected and the trailer lights blink or do not work. We’ve brought this in to the dealer 3 times and they have yet to resolve the issue. The...

The contact owns a 2023 GMC Sierra 3500. The contact received notification of NHTSA Campaign Number: 24V060000 (Latches/Locks/Linkages) however, the part to do the recall repair was not yet available. The vehicle was taken to the dealer however, a diagnostic test was not performed but the dealer pro...

I received a p0747 and p0700 transmission codes on my GMC sierra 3500. It would not engage above 3rd gear and I almost was rear ended by a Semi truck because I was unable to speed up. The vehicle CEL turned on and "Engine power reduced" notification appeared on my cluster. Engine RPMS were at 280...

CRITICAL PART FAILURE - The master cylinder attached to the brake pad is leaking at the seal where the piston is depressed into the cylinder. It's leaking brake fluid onto the driver brake assembly and some sort of cable. While this is repairable under warranty, this should NEVER ever happen on a ve...

Unknown Truck unexpectedly comes to almost complete stop between speeds of 35 to 55 mph. Occurs more frequently around 40 mph. Truck has been in repair shop and diagnostic can’t explain the problem.

On March 22, 2023, my wife and I purchased a new 2023 GMC Sierra 3500 Denali from Coast Buick GMC. Before purchasing, we asked the salesman if it had adaptive cruise control and lane keep assist, and he said yes and showed us the buttons and explained how they worked. We purchased the truck because ...

On March 22, 2023, my wife and I purchased a new 2023 GMC Sierra 3500 Denali from Coast Buick GMC. Before purchasing, we asked the salesman if it had adaptive cruise control and lane keep assist, and he said yes and showed us the buttons and explained how they worked. We purchased the truck because ...

I was in an accident and was hit in the right front side of my truck. The other vehicle was believed to be going around 50 mph and I had just rolled thru a stop sign. The other vehicle that hit me had the air bags deploy, but my airbags did not deploy. This is very concerning considering there wa...