GMC Sierra 1500 TSBs — Technical Service Bulletins by Year

29,891 manufacturer communications are on file with NHTSA for the GMC Sierra 1500 — service bulletins, service campaigns, warranty extensions, and software updates, 1990 to 2026. Pick a year for its bulletin list.

A TSB is factory repair guidance, not a recall — the repair is not automatically free. For defects and free repairs, see the GMC Sierra 1500 problem rankings and each year's recall list.

29,891Communications on file
37Model years covered
97Campaigns & extensions

Warranty extensions, campaigns & software updates

The communications worth checking your VIN against — unlike ordinary bulletins, these can mean free or reimbursed work if your vehicle qualifies.

Fuel system N262558690-01 August 12, 2026 Service campaign

General Motors has decided to conduct a Voluntary Emission Recall. Certain vehicles may have a condition which can cause the fuel pump power control module to fail. If this were to occur, fuel flow to the engine could be interrupted. Dealers will replace the fuel pump power…

Model years named: 2022, 2023

Fuel system N242452130-01 August 4, 2026 Service campaign

Certain vehicles may have a condition in which the Engine Control Module (ECM) does not sufficiently control fuel injector flow rate under certain driving conditions. Dealers are to reprogram the ECM.

Model years named: 2023, 2024

Engine N262568830 August 4, 2026 Service campaign

Certain vehicles listed above may have a condition in which the oil filter was not adequately tightened. Dealers are to check and tighten the oil filter if found to be loose.

Model years named: 2026

Software update N26-F163BX July 28, 2026 Software update

This update contains a required software change to help improve the overall software update and diagnostics process. Be sure to install this update to be able to receive future software updates. During the update process, your radio may stay on up to 5 minutes after you exit the…

Model years named: 2025

Software update 662.30 July 21, 2026 Software update

• Improvements to reliability when extending the running boards on your vehicle. • Improvements to start reliability and reduced check engine light activation. • Improvements to turbo system diagnostics. • Improves transmission diagnostic software. • Reduces unnecessary check…

Model years named: 2026

Software update 662.10 July 14, 2026 Software update

• Fixes to help ensure proper functionality for heating and cooling features • Improvements to night mode lights for shifting gears • Fixes for Daytime Running Lamps turning on when set to Off • Fixes to help prevent erroneous missing key messages on driver display • Fixes for…

Model years named: 2026

Software update 662.21 July 14, 2026 Software update

Improvements to accuracy for Diesel Exhaust Fluid level shown in driver display.

Model years named: 2026

Software update 662.10 July 10, 2026 Software update

• Improves transmission diagnostic software. • Reduces unnecessary check engine light activations.

Model years named: 2024

Software update 661.42 June 10, 2026 Software update

• If you are equipped with Diesel engine then: Improvements to accuracy for Diesel Exhaust Fluid level shown in driver display.

Model years named: 2024

Software update 661.51 June 9, 2026 Software update

• Fixes to help ensure proper functionality for heating and cooling features. • Improvements to night mode lights for shifting gears. • Fixes for Daytime Running Lamps turning on when set to Off. • Fixes to help prevent erroneous missing key messages on driver display. • Fixes…

Model years named: 2024

Service campaign N262558300 June 3, 2026 Service campaign

Certain vehicles may have been built with the incorrect Body Control Module (BCM) calibration data file. Dealers will reprogram the BCM with the correct software.

Model years named: 2026

Software update N25-250552 May 12, 2026 Software update

• Improvements to OnStar functionality.

Model years named: 2021, 2022

Bulletins by model year

YearTSBsMost bulletined areas
2026 188 Electrical, Engine View bulletins
2025 436 Electrical, Engine View bulletins
2024 907 Electrical, Engine View bulletins
2023 1,242 Electrical, Engine View bulletins
2022 1,591 Electrical, Engine View bulletins
2021 1,446 Engine, Electrical View bulletins
2020 1,534 Engine, Electrical View bulletins
2019 1,748 Electrical, Engine View bulletins
2018 952 Engine, Electrical View bulletins
2017 1,794 Engine, Electrical View bulletins
2016 1,269 Engine, Electrical View bulletins
2015 1,612 Engine, Electrical View bulletins
2014 3,078 Electrical, Engine View bulletins
2013 1,228 Engine, Electrical View bulletins
2012 1,166 Engine, Electrical View bulletins
2011 1,085 Engine, Electrical View bulletins
2010 1,094 Engine, Electrical View bulletins
2009 952 Electrical, Engine View bulletins
2008 945 Electrical, Engine View bulletins
2007 950 Electrical, Engine View bulletins
2006 570 Engine, Electrical View bulletins
2005 615 Engine, Transmission & drivetrain View bulletins
2004 760 Engine, Transmission & drivetrain View bulletins
2003 759 Engine, Transmission & drivetrain View bulletins
2002 607 Engine, Transmission & drivetrain View bulletins
2001 604 Engine, Transmission & drivetrain View bulletins
2000 368 Engine, Transmission & drivetrain View bulletins
1999 259 Transmission & drivetrain, Engine View bulletins
1998 42 Transmission & drivetrain, Brakes & stability View bulletins
1997 30 Engine, Transmission & drivetrain View bulletins
1996 21 Engine, Transmission & drivetrain View bulletins
1995 13 Visibility & wipers, Brakes & stability View bulletins
1994 10 Visibility & wipers, Transmission & drivetrain View bulletins
1993 4 Transmission & drivetrain, Fuel system View bulletins
1992 4 Transmission & drivetrain, Fuel system View bulletins
1991 4 Transmission & drivetrain, Fuel system View bulletins
1990 4 Transmission & drivetrain, Fuel system View bulletins

Questions buyers ask

How many TSBs does the GMC Sierra 1500 have?

NHTSA's manufacturer-communications file lists 29,891 technical service bulletins and related communications for the GMC Sierra 1500 across the 1990–2026 model years. The most bulletined areas are engine, electrical, transmission & drivetrain.

Are GMC Sierra 1500 TSB repairs free?

Not automatically. A TSB tells dealers how to fix a known pattern; you pay unless the vehicle is under warranty or the bulletin is a warranty extension or service campaign that covers your VIN. Recall repairs, by contrast, are always free.

How do I get the full text of a GMC Sierra 1500 TSB?

Take the bulletin's document ID to a dealer or to NHTSA's site — this page carries each communication's ID, date, and NHTSA's summary from the public file.

Data updated 2026-08-20 from NHTSA's public records

Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. Counts cover communications NHTSA's file names against GMC Sierra 1500 model years shown here. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.