GMC Terrain TSBs — Technical Service Bulletins by Year
18,440 manufacturer communications are on file with NHTSA for the GMC Terrain — service bulletins, service campaigns, warranty extensions, and software updates, 2010 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 Terrain 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.
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: 2023
• Smoother vehicle startups in cold temperatures
Model years named: 2026
• Fixes to help prevent loss of functionality for connectivity features such as OnStar, Wi-Fi, and Navigation
Model years named: 2025
• Improvements to the performance of driver assistance features • Fixes to help ensure accurate driver display messages and alerts
Model years named: 2026
• Improvements to active cabin ventilation • Additional protection for the health of your battery • Updates to help prevent excessive battery drain and overheating • Improvements to the software update system • Fixes to Forward Collision Alert and driver assistance features •…
Model years named: 2025
• Fixes to help prevent loss of functionality for connectivity features such as OnStar, Wi-Fi, Navigation, and Super Cruise.
Model years named: 2026
• Improvements to the performance of driver assistance features • Fixes to help ensure accurate driver display messages and alerts
Model years named: 2025
Certain vehicles may have a condition in which the Telematic Control Module may enter an unrecoverable state. Dealers are to reprogram the Telematic Control Module. IMPORTANT: The module may be several software versions behind and could take multiple programming events to bring…
Certain vehicles may have a condition in which the Telematic Control Module may enter an unrecoverable state. Dealers are to reprogram the Telematic Control Module. IMPORTANT: The module may be several software versions behind and could take multiple programming events to bring…
• Improvements to the availability of driver assistance features.
Model years named: 2026
Certain vehicles, may have a condition in which the Telematic Control Module may enter an unrecoverable state. Dealers are to reprogram the Telematic Control Module. Important: The module may be several software versions behind and could take multiple programming events to bring…
• Improvements to the availability of driver assistance features. • 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.
Model years named: 2025
Bulletins by model year
| Year | TSBs | Most bulletined areas | |
|---|---|---|---|
| 2026 | 158 | Electrical, Body & structure | View bulletins |
| 2025 | 322 | Electrical, Engine | View bulletins |
| 2024 | 367 | Electrical, Engine | View bulletins |
| 2023 | 451 | Electrical, Engine | View bulletins |
| 2022 | 524 | Electrical, Engine | View bulletins |
| 2021 | 693 | Engine, Electrical | View bulletins |
| 2020 | 843 | Engine, Electrical | View bulletins |
| 2019 | 1,002 | Engine, Electrical | View bulletins |
| 2018 | 1,342 | Engine, Electrical | View bulletins |
| 2017 | 1,061 | Engine, Electrical | View bulletins |
| 2016 | 1,229 | Engine, Electrical | View bulletins |
| 2015 | 1,570 | Electrical, Engine | View bulletins |
| 2014 | 1,697 | Electrical, Engine | View bulletins |
| 2013 | 1,934 | Electrical, Engine | View bulletins |
| 2012 | 1,839 | Engine, Electrical | View bulletins |
| 2011 | 1,757 | Engine, Electrical | View bulletins |
| 2010 | 1,651 | Engine, Electrical | View bulletins |
Questions buyers ask
How many TSBs does the GMC Terrain have?
NHTSA's manufacturer-communications file lists 18,440 technical service bulletins and related communications for the GMC Terrain across the 2010–2026 model years. The most bulletined areas are engine, electrical, transmission & drivetrain.
Are GMC Terrain 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 Terrain 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 GMC Terrain model years shown here. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.