Technical Service Bulletins

Why Is My Silverado’s Speakers Crackling During Phone Calls? Here’s What I Found

If you’re driving a 2022–2024 Chevrolet or GMC vehicle and experiencing annoying crackling or static sounds from the speakers during phone calls, you’re not alone....

Understanding the “GCW Overweight” Messages In Your Chevy Silverado or GMC Sierra

If you own a Chevrolet Silverado or GMC Sierra and tow trailers, you might see a “GCW Overweight” message appear in your gauge cluster. It’s...

2024 & 2025 Silverado / Sierra Owners Experience 4WD Indicator Confusion

If you’ve recently started up your 2024–2025 Chevrolet Silverado or GMC Sierra and noticed that the four-wheel drive (4WD) indicator isn’t immediately visible, you’re not...

Suburban, Tahoe & Yukon Have A Commonly Miswired Part – Fixing Will Unlock A Feature You Didn’t Know About

Did you know that your Suburban, Tahoe, or Yukon might be hiding a feature you never knew existed? General Motors (GM) has uncovered a surprising...

Chevrolet, GMC & Cadillac Full-Size SUV Batteries Dying – Liftgates Randomly Opening

Some 2022 through 2024 Tahoe, Suburban, Yukon and Escalade full-size SUV owners are finding their vehicles batteries are mysteriously dying and/or their rear tailgates are...

2023/2024 Chevrolet Silverado Police Pursuit Equipped with Wrong Tires

2023/2024 Chevrolet Silverado 1500 models equipped with the Police Pursuit Package (RPO 9C1) may have been built with the wrong tires. Chevrolet has announced “Customer...

Lifter Nightmare: Why GM is Replacing Some 6.2L L87 V8 Engines

Chevrolet, GMC, & Cadillac may have built vehicles powered by 6.2L V8 engines with a big problem. The solution? Replace the entire engine. In April,...

Some 2024 Chevrolet Silverado and GMC Sierra Experience Start-Up Issues Due to Software Anomaly

Owners of the 2024 Chevrolet Silverado and GMC Sierra equipped with the 3.0L LZ0 engine may encounter a unique issue where the vehicle may crank...

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...

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...

Category: Technical Service Bulletins