Service Bulletin News

Here May Be Why Your GMC Terrain Engine Hesitates On Acceleration Or Misfires

Affecting the 2023 to 2026 model years.

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2025 Chevrolet Equinox RS

Some 2025 Chevy Equinox Units Need A Brake Master Cylinder Assembly Replacement

Owners of affected vehicles may notice reduced brake performance.

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Some 2025 Corvette Units Need A Brake Master Cylinder Assembly Replacement

Curing reduced brake performance and limited top speed issues.

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GM Releases Fix For Chevy Bolt EV, Bolt EUV False Battery Replacement Trouble Codes

Plus a free NACS adapter.

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Some 2023 GMC Canyon Units Need A Comprehensive Software Update

It's not the first one.

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Some 2023 Chevy Colorado Units Need A Comprehensive Software Update

Not the first one.

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GM Extends Chevy Colorado Fuel Injector Flow Rate Fix Coverage

Similar to a service update from 2023.

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GM Extends GMC Canyon Fuel Injector Flow Rate Fix

Similar to an older service update.

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Some 2023-2024 GMC Sierra Units Will Need An Engine Control Module Fix

Similar to a service bulletin from last year for earlier trucks.

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Some 2023-2024 Chevy Silverado Units Will Need An Engine Control Module Fix

Similar to a service bulletin from last year for earlier trucks.

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Some 2022-2023 BrightDrop Units Need A Comprehensive Software Update

Called the EV600 and Zevo 600 during those model years.

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Some 2022-2023 GMC Hummer EV Units Need A Comprehensive Software Update

It should take about an hour.

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Some 2023 Cadillac Lyriq Units Need A Comprehensive Software Update

For the debut model year of the luxury EV.

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More GMC Hummer EV, Sierra EV Units Are Missing Their First Responders Service Label

The issue may pose a safety risk.

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Some Cadillac Escalade IQ Units Are Missing Their First Responders Service Label

Other units are mislabeled.

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Here May Be Why Your Cadillac Optiq Doors Vibrate When Listening To Loud Music

There's a thin material that needs to be removed.

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Some 2025 Cadillac CT5-V Blackwing Units May Have An Improperly Seated Oil Plug

Some plugs were not pressed deep enough into the pan.

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More Chevy Silverado EV Units Are Missing Their First Responders Service Label

Mislabeling could hinder emergency rescue efforts.

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Here May Be Why Your GMC Yukon Rear Heater Blows Cold Air

With a simple fix.

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Some 2025 Chevy Trax Units Need A Brake Master Cylinder Replacement

Reduced brake performance and limited top speed as symptoms.

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Here May Be Why Your Chevy Tahoe Or Suburban Rear Heater Blows Cold Air

The fix is simple.

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Some 2025 Cadillac Escalade IQ Units Will Need Front Door Replacements

Because of cracking metal.

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GM Releases Super Cruise Software Enhancements For All 2018 To 2024 Vehicles

Available either through dealers or an OTA update.

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GM Releases Fix For Defective 2025 Cadillac Escalade IQ Rear-Seat Headrests

Some of them are stuck up or stuck down.

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GM Releases Fix For 2024 Chevy Silverado EV Rear Door Ajar Warning Malfunction

Affecting the WT trim level.

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Here May Be Why Your Chevy Silverado Dash Is Squeaking, Rattling Or Creaking

The fix is simple.

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