TSB N252503850 — Buick and Chevrolet Warranty extension
N252503850 is a warranty extension on file with NHTSA for 2 Buick and Chevrolet models, 2023 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. Special Coverage. Certain vehicles listed above may have a condition that could cause the mounting bracket on the front exhaust pipe to separate from the pipe. If this condition occurs, a hole may develop in the exhaust pipe at the bracket location, and a rattling or increased…
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Worth checking your VIN against. N252503850 is filed as a warranty extension, 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 N252503850 names
| Vehicle | Model years |
|---|---|
| Buick Enclave | 2023 |
| Chevrolet Traverse | 2023 |
Every document filed under N252503850
| Document ID | Filed | Type |
|---|---|---|
| N252503850 | June 10, 2025 | Warranty extension |
What N252503850 covers
Engine — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB N252503850?
N252503850 is a warranty extension filed with NHTSA by Buick and Chevrolet, covering 2 Buick and Chevrolet models across the 2023 model years. NHTSA's summary reads: Special Coverage. Certain vehicles listed above may have a condition that could cause the mounting bracket on the front exhaust pipe to separate from the pipe. If this condition occurs, a hole may develop in the exhaust pipe at the bracket location, and a rattling or increased…
Which vehicles does N252503850 cover?
NHTSA's file names Buick Enclave (2023); Chevrolet Traverse (2023). 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 N252503850 a recall, and is the repair free?
N252503850 is filed as a warranty extension, 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 N252503850?
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 N252503850, 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 N252503850. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.