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.

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!

GM Upfitter Auxiliary Switch Photo Courtesy Zac Rister

Auxiliary Switch

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 something peculiar about your optional upfitter auxiliary switches. You know, those handy little switches on the instrument panel that control your auxiliary equipment? Well, it turns out, there’s a small… Continue reading Fix: Auxiliary Switches May Not Illuminate Properly on 2023/2024 Silverado & Sierra

2021 Suburban, Tahoe & Yukon Get Massive Software Update To Fix Laundry List Of Problems

Technical Bulletin

Does Your Suburban, Tahoe, Yukon or Escalade Make Noise During Tight Turns? Here’s The Solution!

If you own a 2021+ Chevrolet Suburban, Chevrolet Tahoe, GMC Yukon, or Cadillac Escalade that makes a pop, clunk, click, or rattle sound when maneuvering through tight turns, the solution is an easy fix. According to GM TechLink, despite sometimes sounding like the noise is coming from the front of the vehicle,  the noise is… Continue reading Does Your Suburban, Tahoe, Yukon or Escalade Make Noise During Tight Turns? Here’s The Solution!

2021 Silverado & 2021 Sierra added to "No Start/Long Crank" Service Bulletin

2021

2021 Silverado & 2021 Sierra added to “No Start/Long Crank” Service Bulletin

Earlier this month we reported on a General Motors Technical Service Bulletin that detailed a “No Start / Long Crank” condition affecting a long list of GM products. Recently, the 2021 Silverado and Sierra, both light duty and heavy duty variations, were added to the list. If you didn’t see our article on the original… Continue reading 2021 Silverado & 2021 Sierra added to “No Start/Long Crank” Service Bulletin

Technical Service Bulletin: #20-NA-221

#20-NA-221

2021 Silverado & Sierra Infotainment System Fix Now Available At Dealers

Owners of 2021 Chevrolet Silverado and GMC Sierra models with buggy infotainment systems that prevented the use of some system functions now have a fix. Technical Service Bulletin: #20-NA-221 Release Date: 12/14/2020 Last month we published an article regarding Technical Document #PIT5793, which described a condition where some 2021 Silverado and Sierra owners began to… Continue reading 2021 Silverado & Sierra Infotainment System Fix Now Available At Dealers