Category: Sierra

Category: Sierra

Dive into GMC Sierra insights: from detailed reviews and news to owner tips. The prime destination for Sierra owners and enthusiasts.

A straight on view of a 2024 Chevrolet Silverado in a desert environment with a mountain behind it.

technical service bulletin

GM Issues Stop Sale Order – Silverado & Sierra Roofs Are Splitting Apart

General Motors is issuing a campaign to fix certain Chevrolet Silverado and GMC Sierra pickups after reports show the roof panel on the passenger side may begin to split open. Silverado / Sierra Roof Splitting – Vehicles Affected: 2024 Chevrolet Silverado 2024 GMC Sierra Approximately 3,067 vehicles in the United States are potentially affected. No… Continue reading GM Issues Stop Sale Order – Silverado & Sierra Roofs Are Splitting Apart

White Automotive & Media Services Teases 2022+ Silverado & Sierra Cluster Upgrades

WAMS

WAMS Teases 2022+ Silverado & Sierra Cluster & Steering Wheel Upgrades

White Automotive & Media Services (WAMS) recently teased a new service they would start offering for 2022+ refreshed trucks. A full digital cluster and steering wheel control upgrade. The Problem WAMS is Fixing When Chevrolet and GMC refreshed their Silverado and Sierra 1500 for the 2022.5 model year, they took an interesting approach to the… Continue reading WAMS Teases 2022+ Silverado & Sierra Cluster & Steering Wheel Upgrades

A 2024 Chevrolet Silverado HD ZR2 Towing a Camping Trailer

technical service bulletin

Chevy & GMC Release Fix For Silverado & Sierra HD Shake or Shudder Under Light Throttle

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

A trailering information label on a red Chevrolet Silverado

technical service bulletin

Some 2024 Silverado / Sierra HD Pickups Have Wrong Trailering Information Labels

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

A GMC Canyon AT4X Off Road Next To A Frozen Lake In A Snowy Mountain Landscape

technical service bulletin

Some Colorado/Canyon & Silverado/Sierra with 2.7L Turbo May Set Check Engine Light

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

An underhood photo of the 3.0L Duramax Diesel Engine found in the 2024 Silverado and Sierra

TSB

Critical Fix Released For Silverado / Sierra 3.0L Duramax With Check Engine Light

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 photo of the GMC Sierra 1500 AT4X and Chevrolet Silverado 1500 ZR2 side by side

technical service bulletin

Some Brand New 2024 Chevrolet Silverado and GMC Sierra Have A Software Glitch

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

A driver's rear view mirror of a red Chevrolet Silverado

technical service bulletin

The Hot Truth Behind Your Silverado or Sierra’s Uneven Side Mirror Defrost

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

Resolving Rough Shifts, Check Engine Lights, Hesitation, and Driveability in some 3.0L Duramax Diesel GM Pickups & SUVs

3.0L Duramax

Resolving Rough Shifts, Check Engine Lights, Hesitation, and Driveability in some 3.0L Duramax Diesel GM Pickups & SUVs

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