TSB N25-250380 — Chevrolet and GMC Software update
N25-250380 is a software update on file with NHTSA for 2 Chevrolet and GMC models, 2023–2025 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. Software Update for your 24MY Chevrolet Silverado / GMC Sierra: * Improvements to software performance. * Fixes for audio system performance. * Improvements to connectivity for Bluetooth. * Fixes to help ensure successful software updates and notifications. * Fixes to address…
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Worth checking your VIN against. N25-250380 is filed as a software update, 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 N25-250380 names
| Vehicle | Model years |
|---|---|
| Chevrolet Silverado 1500 | 2023, 2024, 2025 |
| GMC Sierra 1500 | 2025 |
Every document filed under N25-250380
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 |
|---|---|---|
| N25-250380 | August 7, 2025 | Software update |
| N25-250380 | May 6, 2025 | Software update |
Questions buyers ask
What is TSB N25-250380?
N25-250380 is a software update filed with NHTSA by Chevrolet and GMC, covering 2 Chevrolet and GMC models across the 2023–2025 model years. NHTSA's summary reads: Software Update for your 24MY Chevrolet Silverado / GMC Sierra: * Improvements to software performance. * Fixes for audio system performance. * Improvements to connectivity for Bluetooth. * Fixes to help ensure successful software updates and notifications. * Fixes to address…
Which vehicles does N25-250380 cover?
NHTSA's file names Chevrolet Silverado 1500 (2023–2025); GMC Sierra 1500 (2025). 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 N25-250380 a recall, and is the repair free?
N25-250380 is filed as a software update, 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 N25-250380?
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 N25-250380, 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 N25-250380. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.