TSB N262558300 — Chevrolet and GMC Service campaign
N262558300 is a service campaign on file with NHTSA for 2 Chevrolet and GMC models, 2026 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. Certain vehicles may have been built with the incorrect Body Control Module (BCM) calibration data file. Dealers will reprogram the BCM with the correct software.
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Worth checking your VIN against. N262558300 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 N262558300 names
| Vehicle | Model years |
|---|---|
| Chevrolet Silverado 1500 | 2026 |
| GMC Sierra 1500 | 2026 |
Every document filed under N262558300
| Document ID | Filed | Type |
|---|---|---|
| N262558300 | June 3, 2026 | Service campaign |
Questions buyers ask
What is TSB N262558300?
N262558300 is a service campaign filed with NHTSA by Chevrolet and GMC, covering 2 Chevrolet and GMC models across the 2026 model years. NHTSA's summary reads: Certain vehicles may have been built with the incorrect Body Control Module (BCM) calibration data file. Dealers will reprogram the BCM with the correct software.
Which vehicles does N262558300 cover?
NHTSA's file names Chevrolet Silverado 1500 (2026); GMC Sierra 1500 (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 N262558300 a recall, and is the repair free?
N262558300 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 N262558300?
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 N262558300, 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 N262558300. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.