Service Bulletin News

GM Issues TSB For 2021 Buick Encore GX Over Transmission Clutch Spring Retaining Ring

Only vehicles with the nine-speed automatic transmission are affected by the bulletin.

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GM Issues TSB On Chevy Tahoe, Suburban And GMC Yukon For OTA Update Issue

Affected vehicles are unable to receive over-the-air updates.

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Chevy Blazer, Equinox And GMC Terrain Get TSB For Transmission Clutch Spring Retaining Ring

2020 and 2021 model-year vehicles are affected.

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Class Action GM Eight-Speed Transmission Lawsuit Hits A Snag

Some claims in this newly consolidated class-action transmission suit have been dismissed.

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GM Issues TSB For Chevy Blazer, GMC Acadia, Cadillac XT4 And XT5 Over Coolant Pipe Issue

Less than 20 vehicles will need repairs under this TSB.

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GM Issues Technical Service Bulletin On 2020 Chevy Blazer For Warped Hitch Cover

2,201 vehicles are affected by this problem.

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GM Issues TSB For Water Pump Failure On Chevy Silverado, GMC Sierra, Cadillac CT4 And CT5

The water pump circuit board was not manufactured properly.

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GM Initiates Pilot Program To Replace 9T65 9-Speed Transmission

The automatic transmission is found in a variety of GM crossover models.

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GM Issues Service Bulletin For Intermittent Airbag Light In 2021 GM Full-Size SUVs

A wiring issue may cause the airbag warning light to appear on the dash.

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GM To Replace Trailering Labels On Some 2021 Chevy Tahoe, 2021 GMC Yukon Models

Customers with affected vehicles can expect to receive a new label in the mail.

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GM Issues TSB For 2021 Chevy Tahoe, Suburban DRL Replacement

The lights may shift color slightly when they reach a certain temperature.

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TSB Issued Over 2020 Cadillac CT5-V Differential Control Module Problem

This TSB will take under an hour for dealers to address.

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TSB Issued Over Distorted Backup Camera In 2020 Chevy Silverado HD, GMC Sierra HD

The trailer backup camera may appear distorted in affected trucks.

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GM Issues TSB For 2020 Corvette Transmission Control Module Glitch

Owners can perform this fix themselves at home through an OTA update.

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General Motors Issues Service Bulletin For Incorrect Label In 2020 Corvette Cabin

The fix is a new label added to the owner's manual.

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GMC Savana Passenger

GM Issues Fix For Chevy Express, GMC Savana Body Control Module Problem In Canada

We're still awaiting a fix for the U.S., though.

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New Service Bulletin Addresses Valve Spring Issues In GM V8 Engines

Some engines are experiencing broken valve springs.

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2021 Chevy Tahoe, Suburban Owners Experience Issues With Underseat Wiring

The cable connecting the airbag control module may need to be replaced.

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2021 Chevrolet Tahoe

TSB Issued For 2021 Chevy Tahoe, Suburban, GMC Yukon, Yukon XL

The bulletin addresses a potential issue with the engine oil cooler lines.

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General Motors Hit With Another Lawsuit Over Alleged Faulty Brake Vacuum Pump

Previous generation GM full-size SUVs and trucks may be affected by this purported issue.

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NHTSA Investigating Chevrolet Equinox, GMC Terrain Power Steering Issues

The power steering rack in the vehicles may "stick" and require increased effort.

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GM Sued Again Over Cracked Cadillac CUE Screens

The screens are allegedly prone to cracking, bubbling and other lamination-related defects.

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TSB Seems To Fix 8-Speed Automatic GM Transmission Problems

A transmission flush using a new fluid may finally fix the shudders and harsh shifts of GM's 8-speed gearboxes.

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More Owners Complain Of GM Transmission Defect Amid Pending Lawsuit

The eight-speed automatic transmission found in numerous GM vehicles is the alleged problem.

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GM To Fix Chevrolet Colorado ZR2 Airbag Issue

11 incidents were documented.

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GM Issues Service Bulletin For 2015 Chevrolet Silverado GMC Sierra Heavy Duty Trucks Over Potentially-Missing Seal

Affected vehicles may have been built with a missing seal within the power-steering fluid cooler.

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