Service Update

Service Update 17419 Transmission Rough Upshifts – 2018 Chevrolet Silverado & GMC Sierra

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2018 Chevrolet Silverado

NHTSA ID Number: 10135135 Manufacturer Communication Number: 17419 (Bulletin Summary 17419-Service Update. Certain vehicles, equipped with 6.6L diesel engine (RPO L5P) and Allison transmission (RPO MW7), may have a condition in which the automatic transmission has rough upshifts. Dealers will reprogram the transmission control module (TCM).   2 Affected Products Vehicles CHEVROLET SILVERADO 2500 2018 GMC SIERRA … Read more

Service Update 14002 – Underbody Appearance – 2014 Chevrolet Silverado & GMC Sierra

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2014 Chevrolet Silverado

NHTSA ID Number: 10067212 Manufacturer Communication Number: SB-14002-A Summary 14002A – SERVICE UPDATE (REVISED NET ITEM INFORMATION). THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO INSPECT AND, IF NECESSARY, REPAIR THE APPEARANCE OF UNDERBODY COMPONENTS ON CERTAIN VEHICLES THAT MAY NOT MEET GM APPEARANCE REQUIREMENTS FOR NEW VEHICLES. THESE VEHICLES MAY EXHIBIT SIGNS OF PREMATURE SURFACE DEGRADATION ON … Read more

Service Update 13451 – Human Machine Interface (HMI) Module Software Update – 2014 Chevrolet Silverado & GMC Sierra

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2014 Chevrolet Silverado

NHTSA ID Number: 10067207 Manufacturer Communication Number: 13451 Summary Certain feedback language that is displayed on the radio screen, such as when adjusting the radio volume or blower speed, may not use Arabic words that clearly convey the meaning.   2 Affected Products Vehicles CHEVROLET SILVERADO 1500 2014 GMC SIERRA 1500 2014     SEOCONTENT-START GM Bulletin … Read more

Service Update 13318 – Power Sliding Rear Window Inoperable – 2014 Chevrolet Silverado & GMC Sierra

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2014 Chevrolet Silverado

NHTSA ID Number: 10090445 Manufacturer Communication Number: 13318A Summary 13318A – SERVICE UPDATE (REVISED SERVICE PROCEDURE). THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO REPLACE THE POWER SLIDING REAR GLASS REGULATOR ON CERTAIN VEHICLES, EQUIPPED WITH THE POWER SLIDING REAR WINDOW FEATURE (A48). ON THESE VEHICLES, THE PLASTIC COMPONENTS OF THE CABLE/PULLEY ASSEMBLY MAY DEFORM, CAUSING THE FEATURE … Read more

Service Update 13257 – BCM Communication Error – Reprogram BCM – 2014 Chevrolet Silverado & GMC Sierra

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2014 Chevrolet Silverado

NHTSA ID Number: 10070267 Manufacturer Communication Number: 13257 Summary GM: ON SOME VEHICLES THERE MAY BE A INTERRUPTION IN THE COMMUNICATION WHEN ATTEMPTING TO TURN THE KEY AND START THE VEHICLE. THIS COULD CAUSE A THE VEHICLE TO EXPERIENCE NO CRANK/ NO START UP. THERE IS A SERVICE UPDATE AVAILABLE TO REPROGRAM THE BODY CONTROL MODULE. ALSO … Read more