TSB N252534200 — Chevrolet and GMC Service campaign
N252534200 is a service campaign on file with NHTSA for 2 Chevrolet and GMC models, 2021 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. 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.
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Worth checking your VIN against. N252534200 is filed as a service campaign, which unlike an ordinary bulletin can mean free or reimbursed work when a vehicle qualifies. Ask a dealer using the document ID below, and check open recalls separately at nhtsa.gov/recalls.
Vehicles and model years N252534200 names
| Vehicle | Model years |
|---|---|
| Chevrolet Silverado 1500 | 2021 |
| GMC Sierra 1500 | 2021 |
Every document filed under N252534200
| Document ID | Filed | Type |
|---|---|---|
| N252534200 | January 6, 2026 | Service campaign |
Questions buyers ask
What is TSB N252534200?
N252534200 is a service campaign filed with NHTSA by Chevrolet and GMC, covering 2 Chevrolet and GMC models across the 2021 model years. NHTSA's summary reads: 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.
Which vehicles does N252534200 cover?
NHTSA's file names Chevrolet Silverado 1500 (2021); GMC Sierra 1500 (2021). A bulletin number can be re-issued against more vehicles later, so check the model-year list on this page against your own.
Is TSB N252534200 a recall, and is the repair free?
N252534200 is filed as a service campaign, not a recall — but this is the kind of communication that can mean free or reimbursed work if your VIN qualifies. Take the number to a dealer and ask. Recalls are separate and always free; check yours by VIN at nhtsa.gov/recalls.
How do I get the full text of N252534200?
Take the document ID to a dealer's service desk, or search NHTSA's manufacturer-communications records. This page carries every document ID filed under N252534200, its date, and NHTSA's own summary from the public file.
Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. This page lists only what NHTSA's manufacturer-communications file records under N252534200. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.