Category: Technical Service Bulletins

Category: Technical Service Bulletins

Access critical Technical Service Bulletins for GM Trucks: expert diagnostics, solutions, and updates. Your resource for vehicle maintenance.

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

Camera Calibration Chaos: What Every 2024 Silverado and Sierra Owner Should Know

2024

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 Cameras and Trailer Camera Provisions. You’re all set to hit the road with your trailer in tow, but wait—why won’t the system calibrate your trailering features? Turns out, there’s a… Continue reading Camera Calibration Chaos: What Every 2024 Silverado and Sierra Owner Should Know

Hot Seat, Cold Lights: Unpacking the Heated Seat Indicator Issue in 2023-2024 GM Trucks

2023

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 of the three “on” indicator lights, or even all of them, may not illuminate when the heated seat function is activated. The Diagnosis Before you rush to your local GM… Continue reading Hot Seat, Cold Lights: Unpacking the Heated Seat Indicator Issue in 2023-2024 GM Trucks

Mysterious Case of Dead Batteries in 2021-2023 Chevy/GMC/Cadillac SUVs Solved

2021

Mysterious Case of Dead Batteries in 2021-2023 Chevy/GMC/Cadillac SUVs Solved

Owners of 2021-2023 Tahoe, Suburban, Yukon, and Escalade models may find themselves in a perplexing situation: their vehicle’s battery mysteriously drains after sitting idle for a day or more. Imagine heading out for a weekend adventure only to find your SUV refusing to crank up. Frustrating, right? The Culprit: 3rd-Row Power Folding Seat Switch The… Continue reading Mysterious Case of Dead Batteries in 2021-2023 Chevy/GMC/Cadillac SUVs Solved

Service Trailer Brake System - Why Your 2023 or 2024 Chevy / GMC May Display This Message

2023

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 has highlighted an issue with the Trailer Brake Control Module that could leave you in a bit of a jam—or should we say, without a jam? Let’s dive into the… Continue reading Service Trailer Brake System – Why Your 2023 or 2024 Chevy / GMC May Display This Message

Does The Front Camera On Your 2022-2023 Silverado or Sierra Leak and / or Dribble? Here's The Fix!

2022 Sierra

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 easy to implement and most likely covered under warranty. GM’s Surround View Camera System GM’s Surround View camera system is a fantastic piece of technology. It helps you park, tow,… Continue reading Does The Front Camera On Your 2022-2023 Silverado or Sierra Leak and / or Dribble? Here’s The Fix!