Category: GMC Sierra HD

The definitive resource for GMC Sierra 2500HD and 3500HD owners. From breaking news and hands-on reviews to technical breakdowns of the 6.6L Duramax and Allison transmission, we cover the entire heavy-duty lineup. Whether you are maximizing your fifth-wheel towing capacity, researching Denali Ultimate features, or troubleshooting a service code, find the expert insights you need to keep your Sierra HD working hard.

Camera Calibration Chaos: What Every 2024 Silverado and Sierra Owner Should Know
So, you’ve got your hands on the latest 2024 Chevrolet Silverado or GMC Sierra, complete with all the bells and whistles, including the Surround Vision...
Hot Seat, Cold Lights: Unpacking the Heated Seat Indicator Issue in 2023-2024 GM Trucks
Owners of some 2023-2024 Silverado and Sierra trucks have reported that the front heated seat indicator lights may not function as expected. Specifically, any combination...
AEV GMC Sierra Grande Concept: The Herculean Overlander of Your Wildest Dreams
Imagine a truck that fuses the rugged capability of the Sierra HD AT4X with the relentless spirit of American Expedition Vehicles (AEV). Now, add a...
Service Trailer Brake System – Why Your 2023 or 2024 Chevy / GMC May Display This Message
If you’re the owner of a 2023 or 2024 GM truck or SUV, you might want to pay close attention. A recent TSB from GM...
Does The Front Camera On Your 2022-2023 Silverado or Sierra Leak and / or Dribble? Here’s The Fix!
If you’ve noticed that your 2022-2023 Chevrolet Silverado or GMC Sierra has a leaky or dribbling front surround view camera washer nozzle, the fix is...
The UAW Strike Is About To Get Far Worse For General Motors: Day Four Update
The automotive sector is navigating through turbulent waters as the UAW strike unfolds, impacting the Big Three—General Motors, Ford, and Stellantis. This situation presents a...
2024 Silverado HD & Sierra HD Facing Steering Shaft Recall
General Motors is recalling 3,893 2024 Silverado HD and GMC Sierra HD pickups due to an improperly heat-treated steering shaft. The defective part may crack...
You Can Now Supercharge your Silverado or Sierra HD
Procharger is letting Silverado and Sierra HD pickup owners in on the supercharging fun. Now, anyone with a (L8T) 6.6L Gasoline engine in their Silverado...
Fix: Auxiliary Switches May Not Illuminate Properly on 2023/2024 Silverado & Sierra
If you’re the proud owner of a 2023 Silverado 1500, Sierra 1500, or the 2024 Silverado 2500/3500 and Sierra 2500/3500 models, you might have noticed...
GM Connected Owners Apps Go Haywire – Recommend Hilariously High Tire Pressures
Something funky and hilarious is going on inside General Motors OnStar-powered connected owners apps. myGMC, myChevrolet and possibly myBuick and myCadillac, have errantly started alerting...