Category: Technical Service Bulletins

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

Chevy & GMC To Replace 2.7L Engine In Some 2023 Colorado, Silverado, and Sierra Pickups Due To Cracking Blocks
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...
Is Your 3.0L Duramax Freezing You Out This Winter? A Solution From The Experts For Poor Heater Performance
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....
Chevrolet Issues Stop Sale For Some 2024 Traverse – Dealers Can’t Sell Or Drive Them
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...
Hands Free Liftgate Logo May Not Illuminate On Some Chevy/GMC/Buick/Cadillac Crossovers
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...
Popular Crossover Seats Are Smoking / Melting / Burning And GM Doesn’t Know Why
Popular Crossover Seats Are Smoking / Melting / Burning And GM Doesn’t Know Why
Some owners of the most popular Chevrolet, GMC, Buick & Cadillac crossovers are finding smokey smells,  melted parts, and burn marks under the front power...
Car Washes Are Denting Chevy Colorado and GMC Canyon Roofs – Now There’s A Fix
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...
2023 Duramax Silverado HD and Sierra HD May Need Software Update To Prevent Stalling
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...
Very Limited Number of 2023 Silverado / Sierra 1500 10-Speed Transmissions To Be Replaced
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...
The Grounded Reason Your Silverado and Sierra May Lose Braking or Steering Assist
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...
2023 Chevy Colorado & GMC Canyon May Have “Groaning” Rear End Noise
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....
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