TSB PIC6540G — Buick, Chevrolet and GMC Service bulletin
PIC6540G is a service bulletin on file with NHTSA for 12 Buick, Chevrolet and GMC models, 2023–2026 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. This Preliminary information communicates to dealers a procedure to reset the radio.
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years PIC6540G names
Every document filed under PIC6540G
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 |
|---|---|---|
| PIC6540G | April 30, 2026 | Service bulletin |
| PIC6540G | April 30, 2026 | Service bulletin |
Questions buyers ask
What is TSB PIC6540G?
PIC6540G is a service bulletin filed with NHTSA by Buick, Chevrolet and GMC, covering 12 Buick, Chevrolet and GMC models across the 2023–2026 model years. NHTSA's summary reads: This Preliminary information communicates to dealers a procedure to reset the radio.
Which vehicles does PIC6540G cover?
NHTSA's file names Buick Enclave (2023–2024); Chevrolet Blazer (2023–2026); Chevrolet Bolt EV (2023); Chevrolet Camaro (2023–2024); Chevrolet Corvette (2023); Chevrolet Equinox (2023–2024); Chevrolet Malibu (2023–2025); Chevrolet Trailblazer (2023); Chevrolet Traverse (2023); Chevrolet Trax (2024–2026), and 2 more vehicles listed on this page. 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 PIC6540G a recall, and is the repair free?
No. PIC6540G is repair guidance the manufacturer sent its dealers, not a safety defect finding. You pay for the work unless the vehicle is still under warranty. Recall repairs, by contrast, are always free.
How do I get the full text of PIC6540G?
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 PIC6540G, 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 PIC6540G. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.