TSB N262547330 — Buick, Chevrolet and GMC Service campaign
N262547330 is a service campaign on file with NHTSA for 5 Buick, Chevrolet and GMC models, 2025–2026 model years, filed and re-filed as 2 documents. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. Certain vehicles, may have a condition in which the Telematic Control Module may enter an unrecoverable state. Dealers are to reprogram the Telematic Control Module. Important: The module may be several software versions behind and could take multiple programming events to bring…
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Worth checking your VIN against. N262547330 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 N262547330 names
| Vehicle | Model years |
|---|---|
| Buick Enclave | 2025, 2026 |
| Chevrolet Equinox | 2025, 2026 |
| Chevrolet Traverse | 2025, 2026 |
| GMC Acadia | 2025, 2026 |
| GMC Terrain | 2025, 2026 |
Every document filed under N262547330
Manufacturers re-issue a bulletin as the repair changes, and file separate copies for technicians and for owners. All of them carry the same number.
| Document ID | Filed | Type |
|---|---|---|
| N262547330 | May 27, 2026 | Service campaign |
| N262547330 | April 16, 2026 | Service campaign |
Questions buyers ask
What is TSB N262547330?
N262547330 is a service campaign filed with NHTSA by Buick, Chevrolet and GMC, covering 5 Buick, Chevrolet and GMC models across the 2025–2026 model years. NHTSA's summary reads: Certain vehicles, may have a condition in which the Telematic Control Module may enter an unrecoverable state. Dealers are to reprogram the Telematic Control Module. Important: The module may be several software versions behind and could take multiple programming events to bring…
Which vehicles does N262547330 cover?
NHTSA's file names Buick Enclave (2025–2026); Chevrolet Equinox (2025–2026); Chevrolet Traverse (2025–2026); GMC Acadia (2025–2026); GMC Terrain (2025–2026). 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 N262547330 a recall, and is the repair free?
N262547330 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 N262547330?
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 N262547330, 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 N262547330. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.