GM Addressed Headliner Rattling in Colorado and Canyon
Owners of 2023-2026 Chevy Colorado and GMC Canyon models with sunroofs may experience cabin noise.
Updated on Sept. 30, 2026 in Auto Parts
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General Motors has issued a service bulletin addressing headliner rattling issues in 2023-2026 Chevy Colorado and GMC Canyon vehicles equipped with sunroofs. The noise stems from faulty or improperly installed trim panel retainer clips around the sunroof.
Why it matters
The rattling occurs because the original retainer clip design may fail to properly secure the headlining trim panel. Addressing this issue restores cabin comfort and ensures the trim components remain firmly in place.
GM Bulletin 26-NA-231 covers the repair procedure for the 10 clips securing the trim panel in affected 2023-2026 models. The repair requires replacing these specific clips rather than the entire headliner.
The players
General Motors
The manufacturer of the Chevrolet and GMC brands which maintains a global network of authorized service centers.
The details
The noise is caused by damaged, missing, or incorrectly installed clips holding the headlining trim panel around the sunroof. To perform the repair, a professional technician must lower the headlining trim panel to inspect the attachment points. The technician then replaces the retainer clips, confirming each is properly seated by listening for an audible click.
Timeline
The issue affects vehicles produced during the 2023-2026 model years.
The Home Front
Automotive manufacturers regularly issue service bulletins to address assembly inconsistencies that emerge after vehicle fleets have been in service. This adjustment follows standard industry patterns for correcting minor interior trim defects without requiring comprehensive structural replacements.
If you notice rattling sounds near your sunroof in a 2023-2026 Colorado or Canyon, contact your local dealership to reference GM Bulletin 26-NA-231. Because the repair involves lowering the headliner, avoid attempting this yourself and enlist a licensed technician.
The takeaway
Interior trim issues like rattling clips are often localized and managed through specific service updates rather than full system replacements. Keep the GM Bulletin 26-NA-231 reference number handy when you schedule your next service appointment to help your technician verify the repair requirements.
Further reading
For more information on common vehicle maintenance and repairs, visit the Auto Parts section.
Source note: This article includes information reported by GM Authority.
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Do you believe automakers should be responsible for fixing persistent interior rattles in new vehicles?
