Chevrolet Bolt EV 2027 — service campaign
Bulletin N262566020 · NHTSA communication 11037249 · issued Sep 10, 2026
Service campaign
communication type
Structure
component
2027
model years
1
vehicle entries
Official summary
Certain vehicles may have a condition in which the roof to body side structure has a pinhole in it. Dealers are to inspect the right hand side of the roof-to-body joint for pinholes and, if necessary, reseal the area.
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.