GMC Terrain 2025–2026 — technical service bulletin
Bulletin PIT6460 · NHTSA communication 11026070 · issued Nov 26, 2025
Technical service bulletin
communication type
Unknown OR Other
component
2025–2026
model years
2
vehicle entries
Official summary
This preliminary information speaks to an issue the the tire monitor learn tool and the work around until the next software release.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.