Chevrolet Bolt EV 2027 — service campaign
Bulletin N262568370 · NHTSA communication 11037456 · issued Sep 23, 2026
Service campaign
communication type
Exterior Lighting
component
2027
model years
1
vehicle entries
Official summary
Certain vehicles listed above may have a condition in which there is a water leak due to a partially seated tail-lamp harness grommet. Dealers will inspect and reseat grommet if necessary.
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.