If you own a Silverado HD or Sierra HD with an unusual shake or shudder at light throttle or steady speed- Chevrolet and GMC have released a fix that may address your problem. Silverado HD / Sierra HD Shudder and/or Shake – The Issue Detailed under a new Technical Service Bulletin released on November 30th,… Continue reading Chevy & GMC Release Fix For Silverado & Sierra HD Shake or Shudder Under Light Throttle
March 27, 2025 at 10:17:22
March 17, 2025 at 11:48:48
March 6, 2025 at 10:36:12
March 6, 2025 at 09:57:55
March 5, 2025 at 17:24:18
March 3, 2025 at 18:31:36
Access critical Technical Service Bulletins for GM Trucks: expert diagnostics, solutions, and updates. Your resource for vehicle maintenance.
A small number of 2024 Chevrolet Silverado 2500HD / 3500HD & GMC Sierra 2500HD / 3500HD Pickups were produced with the wrong trailering information label, located inside the driver’s door jam. What is the Trailering Information Label? The Trailering Information Label is a label found on the driver’s door jam since 2019 on most Silverado… Continue reading Some 2024 Silverado / Sierra HD Pickups Have Wrong Trailering Information Labels
2023-2024 Colorado, Canyon, 2024 Silverado 1500, and Sierra 1500 models equipped with the 2.7L turbo (L3B) TurboMax 4-cylinder engine are experiencing a range of powertrain Diagnostic Trouble Codes (DTCs) accompanied by an illuminated Check Engine light. This issue may be attributed to a loose terminal in the transmission wiring connector Vehicles Affected 2023-2024 Chevrolet Colorado… Continue reading Some Colorado/Canyon & Silverado/Sierra with 2.7L Turbo May Set Check Engine Light
Certain Chevrolet, Cadillac, Buick & GMC models equipped with all-wheel drive are experiencing damage to their wheel drive shaft threads. This issue arises when power tools are used to remove the wheel drive shaft nut. Damaged Wheel Nut – Vehicles Affected 2021-2023 Cadillac XT5 2021-2023 Cadillac XT6 2021-2023 Chevrolet Blazer 2021-2023 Chevrolet Traverse 2021-2023 GMC… Continue reading Never Use Power Tools To Remove A Wheel Drive Shaft Nut On These Chevrolet, Buick, Cadillac, and GMC Vehicles
Chevrolet and GMC have issued a critical service bulletin for the 2023 models of the Chevrolet Silverado 1500 and GMC Sierra 1500 equipped with the 3.0L Duramax Diesel Engine (LZ0). This bulletin, numbered 23-NA-193 and dated November 2023, is aimed at addressing specific diagnostic trouble codes (DTCs) that have been identified in these models. TSB… Continue reading Critical Fix Released For Silverado / Sierra 3.0L Duramax With Check Engine Light
A small but significant number of brand-new 2024 Chevrolet Silverado and GMC Sierra have a minor software glitch that will require a quick trip to the dealer to correct. Now, admittedly, “minor software glitch” is my words, not an official diagnosis. But here is precisely what’s going on. General Motors has recently issued a Service… Continue reading Some Brand New 2024 Chevrolet Silverado and GMC Sierra Have A Software Glitch
General Motors, in its pursuit of vehicle safety and performance, mandates a unique piece of equipment in all its dealerships. This tool, though not as immediately recognizable as diagnostic machines or alignment systems, plays a pivotal role in ensuring your vehicle’s safety and driving comfort. The Essential Yet Overlooked Tool In any GM dealership, you’ll… Continue reading GM Requires All Dealers To Have One This One Very Specific and Unique Piece Of Equipment
If you’re an owner of a Cadillac Escalade, Chevrolet Silverado, or GMC Sierra from model years 2019 to 2024, you might have noticed something peculiar about your truck’s mirrors during those frosty mornings. One mirror defrosts considerably quicker than the other. Before you jump to conclusions about something being defective, let’s dive into the intriguing… Continue reading The Hot Truth Behind Your Silverado or Sierra’s Uneven Side Mirror Defrost
Has your 3.0L Duramax GM vehicle been shifting gears more roughly than usual? Let’s delve into what might be causing this and how it’s being addressed. For owners of specific GM models, a rough or harsh transmission shift can be a puzzling and concerning experience. This article will explain the technical background behind this issue,… Continue reading Resolving Rough Shifts, Check Engine Lights, Hesitation, and Driveability in some 3.0L Duramax Diesel GM Pickups & SUVs
Are you experiencing a brief pause when you hit the gas in your GM pickup? Here’s what you need to know. If you’re the proud owner of a General Motors vehicle, particularly a Chevrolet Silverado / Colorado or GMC Sierra / Canyon, you may have encountered a moment of hesitation when you accelerate. This isn’t… Continue reading Does Your Chevrolet or GMC Vehicle Sometimes Hesitate During Acceleration? Here’s Why