Chevrolet Silverado 2500 TSBs — Technical Service Bulletins by Year
27,852 manufacturer communications are on file with NHTSA for the Chevrolet Silverado 2500 — service bulletins, service campaigns, warranty extensions, and software updates, 1994 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 Chevrolet Silverado 2500 problem rankings and each year's recall list.
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.
Improvements to accuracy for Diesel Exhaust Fluid level shown in driver display.
Model years named: 2026
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
• Additional protection for the health of your battery • Updates to help prevent excessive battery drain and overheating • Improvements to the software update system • Improvements to reliability when extending the running boards on your vehicle
Model years named: 2026
• If you are equipped with Diesel engine then: Improvements to accuracy for Diesel Exhaust Fluid level shown in driver display.
Model years named: 2025
Certain vehicles may have a condition in which the bolts for the transmission control valve body may be loose or missing. Dealers will retorque or replace the suspect valve body bolts.
Model years named: 2026
• Improvements to help reduce check engine light activation and emissions system messages • Improvements to reliability when extending the running boards on your vehicle • Fixes to help ensure proper functionality for heating and cooling features • Improvements to night mode…
Model years named: 2024
• Improvements to OnStar functionality.
Certain vehicles listed above may be equipped with a trailer hitch label that understates hitch capability. Because this label can easily be installed by the customer, and to reduce their inconvenience, the corrected label and installation instructions will be mailed to…
Improvements to OnStar functionality.
Certain vehicles, equipped with Snowplow Prep Package RPO VYU, may be missing an accessory harness. Dealers are to include the Auxiliary Wiring Harness in the accessory pack for vehicles in dealer stock. Vehicles NOT in dealer stock will have the Harness installed by the dealer.
Model years named: 2026
Certain vehicles may experience water intrusion due to a hole in the cabin Pressure Relief Valve. Dealers are to seal the hole using RTV sealant.
Model years named: 2026
Certain vehicles listed above, may have a condition where the trailer hitch label understates hitch capability. Dealers will remove the sticker on trailer hitch.
Bulletins by model year
| Year | TSBs | Most bulletined areas | |
|---|---|---|---|
| 2026 | 162 | Electrical, Fuel system | View bulletins |
| 2025 | 401 | Engine, Electrical | View bulletins |
| 2024 | 840 | Electrical, Engine | View bulletins |
| 2023 | 763 | Engine, Electrical | View bulletins |
| 2022 | 1,042 | Engine, Electrical | View bulletins |
| 2021 | 1,068 | Engine, Electrical | View bulletins |
| 2020 | 1,393 | Engine, Electrical | View bulletins |
| 2019 | 1,054 | Engine, Electrical | View bulletins |
| 2018 | 1,341 | Engine, Electrical | View bulletins |
| 2017 | 929 | Engine, Electrical | View bulletins |
| 2016 | 1,779 | Electrical, Engine | View bulletins |
| 2015 | 2,384 | Electrical, Engine | View bulletins |
| 2014 | 1,826 | Engine, Electrical | View bulletins |
| 2013 | 1,729 | Engine, Electrical | View bulletins |
| 2012 | 1,724 | Engine, Electrical | View bulletins |
| 2011 | 1,568 | Engine, Electrical | View bulletins |
| 2010 | 1,400 | Engine, Electrical | View bulletins |
| 2009 | 1,186 | Electrical, Engine | View bulletins |
| 2008 | 1,172 | Electrical, Engine | View bulletins |
| 2007 | 1,118 | Electrical, Engine | View bulletins |
| 2006 | 688 | Electrical, Engine | View bulletins |
| 2005 | 537 | Electrical, Engine | View bulletins |
| 2004 | 427 | Engine, Electrical | View bulletins |
| 2003 | 401 | Engine, Electrical | View bulletins |
| 2002 | 340 | Engine, Electrical | View bulletins |
| 2001 | 269 | Engine, Electrical | View bulletins |
| 2000 | 258 | Engine, Electrical | View bulletins |
| 1999 | 30 | Brakes & stability, Transmission & drivetrain | View bulletins |
| 1998 | 11 | Brakes & stability, Body & structure | View bulletins |
| 1997 | 7 | Engine, Body & structure | View bulletins |
| 1996 | 2 | Engine | View bulletins |
| 1995 | 2 | Engine | View bulletins |
| 1994 | 1 | Engine | View bulletins |
Questions buyers ask
How many TSBs does the Chevrolet Silverado 2500 have?
NHTSA's manufacturer-communications file lists 27,852 technical service bulletins and related communications for the Chevrolet Silverado 2500 across the 1994–2026 model years. The most bulletined areas are engine, electrical, transmission & drivetrain.
Are Chevrolet Silverado 2500 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 Chevrolet Silverado 2500 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.
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 Chevrolet Silverado 2500 model years shown here. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.