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 blue grey Chevrolet Silverado EV RST parked in a driveway

2024

Silverado EV Owners May Experience Popping/Creaking Sounds

Owners of the 2024 Chevrolet Silverado EV have reported experiencing a popping or creaking noise while performing certain steering maneuvers.  The brand has recently released a Technical Service Bulletin (TSB) going over the sounds and why they are happening. Technical Service Bulletin 24-NA-045 Released on March 7th, 2024, TSB 24-NA-045 details how some 2024 Silverado… Continue reading Silverado EV Owners May Experience Popping/Creaking Sounds

Duramax Powered 2024 Silverado HD & Sierra HD May Have Air Conditioning Issues In Hot Weather

2024

Duramax Powered 2024 Silverado HD & Sierra HD May Have Air Conditioning Issues In Hot Weather

2024 Chevrolet Silverado HD and 2024 GMC Sierra HD trucks with a 6.6L Duramax Diesel Engine may have the air conditioning shut off in hot weather while the vehicle is at idle, among other trouble codes that may display. Thankfully the issues can be easily fixed with a quick trip to a dealership. If you… Continue reading Duramax Powered 2024 Silverado HD & Sierra HD May Have Air Conditioning Issues In Hot Weather

How To Fix "Super Cruise Unavailable - No Road Info" Error

super cruise

How To Fix “Super Cruise Unavailable – No Road Information” Error

Some of General Motor’s newest vehicles equipped with Super Cruise are seeing a random error, stating “Super Cruise Unavalaible – No Road Information” despite owners using the hands-free driving technology on a road before.  Thankfully there’s a specific reason for this error and a simple fix. If you own a Cadillac Escalade, Chevrolet Silverado, Chevy… Continue reading How To Fix “Super Cruise Unavailable – No Road Information” Error

The 2024 Colorado ZR2 Bison rock crawling on an off-road trail

2023

“Service Driver Assist” Error For Colorado / Canyon May Be Software Anomaly

Owners of the 2023 Chevrolet Colorado and GMC Canyon who have a “Service Driver Assist” error message may not actually have anything wrong. A Technical Service Bulletin (TSB) released by General Motors, titled 24-NA-014 – Information on a False DTV B17E2 Setting,” indicates that software issues may be the cause of the error message- not… Continue reading “Service Driver Assist” Error For Colorado / Canyon May Be Software Anomaly

Newest Quirk For The Chevy Colorado / GMC Canyon: Windows, Mirrors, Doors with a Mind of Their Own

2023

Newest Quirk For The Chevy Colorado / GMC Canyon: Windows, Mirrors, Doors with a Mind of Their Own

Picture this: you’re enjoying a smooth drive in your brand-new Chevy Colorado or GMC Canyon, and suddenly, your power windows decide to stop cooperating. This isn’t a plot from a science fiction story but a real issue that has been identified in certain midsize truck, and Chevy Blazer EV models. Thankfully, General Motors has issued… Continue reading Newest Quirk For The Chevy Colorado / GMC Canyon: Windows, Mirrors, Doors with a Mind of Their Own

Chevy & GMC To Replace 2.7L Engine In Some 2023 Colorado, Silverado, and Sierra Pickups Due To Cracking Blocks

customer satisfaction program

Chevy & GMC To Replace 2.7L Engine In Some 2023 Colorado, Silverado, and Sierra Pickups Due To Cracking Blocks

Chevrolet and GMC have determined that some L3B 2.7L Turbocharged Engines were produced with engine blocks that have cracks or could crack. In a preventative measure, the brands will replace any engine potentially involved. UPDATE: 3/5/2024 – Read Our New Article – “HERE’S WHAT EVERYONE (INCLUDING US) GOT WRONG ABOUT THE 2.7L CRACKED BLOCK /… Continue reading Chevy & GMC To Replace 2.7L Engine In Some 2023 Colorado, Silverado, and Sierra Pickups Due To Cracking Blocks

A GMC Sierra AT4X AEV Edition in the mountains of Montana

3.0L Duramax

Is Your 3.0L Duramax Freezing You Out This Winter? A Solution From The Experts For Poor Heater Performance

The 3.0L Duramax Diesel engine is impressive. It has gobs of low-end torque and will let you cruise down the highway without using much fuel. However, General Motors has identified an issue with the engine that may leave some owners in the cold. Thankfully, it’s an easy fix and may improve your heater performance tremendously.… Continue reading Is Your 3.0L Duramax Freezing You Out This Winter? A Solution From The Experts For Poor Heater Performance

Driver front 3/4 view of Chevrolet Traverse driving on bridge

2023

Chevrolet Issues Stop Sale For Some 2024 Traverse – Dealers Can’t Sell Or Drive Them

Some 2024 Chevrolet Traverse Limited models are being shipped to dealers but cannot be sold due to a missing part. Chevrolet has instructed dealers to stop selling, driving, trading or otherwise using some 2024 Traverse Limited Crossovers due to, of all things, a missing badge. Note, this is the “Traverse Limited”, a carryover model that… Continue reading Chevrolet Issues Stop Sale For Some 2024 Traverse – Dealers Can’t Sell Or Drive Them

Front driver 3/4 view of 2023 GMC Acadia AT4 in Summit White with mountains and lake in background.

2020

Hands Free Liftgate Logo May Not Illuminate On Some Chevy/GMC/Buick/Cadillac Crossovers

If you own a 2020-2024 Chevrolet, GMC, Buick, or Cadillac SUV or crossover, like the Traverse, Blazer, Acadia, Enclave, or XT5/XT6- you might have noticed the little logo that is supposed to illuminate on the ground when you approach your rear liftgate- well, doesn’t illuminate. Or at least not consistently. Here’s why and the fix.… Continue reading Hands Free Liftgate Logo May Not Illuminate On Some Chevy/GMC/Buick/Cadillac Crossovers