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 Chevrolet Colorado ZR2 Bison in the California Desert

Car Washes Are Denting Chevy Colorado and GMC Canyon Roofs – Now There’s A Fix

Owners of the new 2023 Chevy Colorado and GMC Canyon have noticed that some car washes will permanently or temporarily dent the roof of their truck. Now, there’s an official fix to prevent the issue from happening. Trucks Affected – Car Wash Roof Denting / Popping Problem 2023 Chevrolet Colorado 2023 GMC Canyon All trims/models… Continue reading Car Washes Are Denting Chevy Colorado and GMC Canyon Roofs – Now There’s A Fix

2023 Duramax Silverado HD and Sierra HD May Need Software Update

2023

2023 Duramax Silverado HD and Sierra HD May Need Software Update To Prevent Stalling

Owners of a 2023 Chevy Silverado HD or GMC Sierra HD with an L5P 6.6L Duramax Turbo Diesel may have their trucks randomly stall and/or illuminate a check engine light. Here’s why and what they can do to fix it. Duramax Stalling Issue – Vehicles Affected 2023 Chevrolet Silverado 2500 HD / 3500 HD 2023… Continue reading 2023 Duramax Silverado HD and Sierra HD May Need Software Update To Prevent Stalling

Very Limited Number of 2023 Silverado / Sierra 1500 10-Speed Transmissions To Be Replaced

2023

Very Limited Number of 2023 Silverado / Sierra 1500 10-Speed Transmissions To Be Replaced

A very small number of 2023 Chevrolet Silverado 1500 and GMC Sierra 1500 with a 10-speed automatic transmission will have that transmission replaced, according to a new service bulletin sent out to GM dealers. According to the notice sent to Chevrolet and GMC dealers, owners of affected pickups will start receiving notices this month (January… Continue reading Very Limited Number of 2023 Silverado / Sierra 1500 10-Speed Transmissions To Be Replaced

2021 Chevrolet Silverado LT Trail Boss

2019

The Grounded Reason Your Silverado and Sierra May Lose Braking or Steering Assist

Some 2019-2022 Chevrolet Silverado and GMC Sierra 1500 may lose power braking and steering assist because of an easily diagnosable issue. Vehicles Affected By Potential Power Steering & Brake Loss 2019-2022 Chevrolet Silverado 1500 2019-2022 GMC Sierra 1500 What Are Power Steering Assist and Power Brake Assist? Power Steering Assist and Power Braking Assist are… Continue reading The Grounded Reason Your Silverado and Sierra May Lose Braking or Steering Assist

A straight on front end look at a GMC Canyon AT4X on a snowy mountain trail

2023

2023 Chevy Colorado & GMC Canyon May Have “Groaning” Rear End Noise

Owners of the 2023 Chevrolet Colorado and GMC Canyon trucks may encounter a distinct moaning or howling noise emanating from the rear of their vehicle. This issue has been formally recognized in the recent Technical Service Bulletin (23-NA-208), aiming to guide vehicle owners and technicians through diagnosing and resolving this concern. Vehicles Affected 2023 Chevrolet… Continue reading 2023 Chevy Colorado & GMC Canyon May Have “Groaning” Rear End Noise

Owners Notice Low Pitched Booming Sound From 2024 Chevrolet Trax Radio

Owners Notice Low Pitched Booming Sound From 2024 Chevrolet Trax Radio

Owners of the 2024 Chevrolet Trax have encountered a peculiar issue with their vehicle’s audio system – a low-frequency booming or drumming noise coming from the speakers. This problem is noticeable even when the radio is off, typically occurring when the engine is running between 1500 and 2000 RPM under steady conditions, such as highway… Continue reading Owners Notice Low Pitched Booming Sound From 2024 Chevrolet Trax Radio

Chevrolet Tahoe High Country on a mountain road

2021

Simple Fix For Suburban / Tahoe / Yukon / Escalade Side Blind Zone & Rear Cross Traffic Alert Malfunction

If the rear cross-traffic alert or side blind zone system in your 2021 through 2023 Chevrolet Tahoe, Suburban, GMC Yukon, or Cadillac Escalade doesn’t detect all vehicles or displays a “System Unavailable” Error on your gauge cluster- there might be a simple fix. Rear Cross Traffic & Blind Spot System Errors – Potential Models Affected… Continue reading Simple Fix For Suburban / Tahoe / Yukon / Escalade Side Blind Zone & Rear Cross Traffic Alert Malfunction

The tailgate release buttons on a Red Chevrolet Silverado with the Multi-Flex tailgate

technical service bulletin

Chevy/GMC Release New Parts To Fix Unwanted, Random, or Inadvertent Tailgate Opening

If your 2020 or newer Chevrolet Silverado or GMC Sierra 1500, 2500, or 3500 had its tailgate randomly open when you didn’t want it to, we’ve got some good news and a solution. The Problem – Tailgate Opening Issue Reports have skyrocketed online, with owners of Silverado and Sierra pickups reporting that the tailgate of… Continue reading Chevy/GMC Release New Parts To Fix Unwanted, Random, or Inadvertent Tailgate Opening

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