Category: GMC

Category: GMC

Explore GMC’s world of precision and power: in-depth reviews, latest models, and news. Your ultimate guide to everything GMC

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

A 2023 Chevrolet Traverse On The Highway

TSB

Never Use Power Tools To Remove A Wheel Drive Shaft Nut On These Chevrolet, Buick, Cadillac, and GMC Vehicles

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

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 HUMMER EV and Ford RAPTOR R lined up at to race

video

HUMMER EV vs RAPTOR R – 3 Head To Head Races – You’ll Never Guess Who Wins

GMC HUMMER EV Versus Ford Raptor R. In a thrilling showdown that automotive enthusiasts could only dream of, Hoonigan’s “THIS vs THAT” series brought together two titans of the truck world. This wasn’t just a race; it was a clash of eras and technologies, pitting the brute force of traditional gasoline power against the swift,… Continue reading HUMMER EV vs RAPTOR R – 3 Head To Head Races – You’ll Never Guess Who Wins

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

Does Your Chevrolet or GMC Vehicle Sometimes Hesitate During Acceleration? Here's Why

Does Your Chevrolet or GMC Vehicle Sometimes Hesitate During Acceleration? Here’s Why

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

GM Issues TSB For 3.0/6.6L Duramax Diesel Truck & SUV Owners To Fix DEF Levels & Other Errors

diesel

GM Issues TSB For 3.0/6.6L Duramax Diesel Truck & SUV Owners To Fix DEF Levels & Other Errors

Attention diesel GM truck and SUV owners! General Motors has released a crucial service bulletin addressing specific issues related to the Malfunction Indicator Lamp (MIL) and Diesel Exhaust Fluid (DEF) level sensor. If you are driving any of the affected models listed below, check out if you have any symptoms that match those covered by… Continue reading GM Issues TSB For 3.0/6.6L Duramax Diesel Truck & SUV Owners To Fix DEF Levels & Other Errors