Chevrolet Silverado 1500 2021 — service campaign
Bulletin N252534200 · NHTSA communication 11027131 · issued Jan 6, 2026
Service campaign
communication type
Unknown OR Other
component
2021
model years
2
vehicle entries
Official summary
General Motors has decided to conduct a voluntary emissions recall. A Vehicle Emissions Control Information (VECI) label with correct information may not be present. Dealers are to install a new VECI label.
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.