TSB N242446290 — Chevrolet and GMC Service campaign
N242446290 is a service campaign on file with NHTSA for 5 Chevrolet and GMC models, 2024 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. Service Update - Certain vehicles may have a condition in which the clutch backing plate retaining ring and/or the clutch piston retaining ring inside the transmission are out of specification. Dealers are to replace the clutch piston housing.
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Worth checking your VIN against. N242446290 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 N242446290 names
| Vehicle | Model years |
|---|---|
| Chevrolet Blazer | 2024 |
| Chevrolet Trailblazer | 2024 |
| Chevrolet Traverse | 2024 |
| GMC Acadia | 2024 |
| GMC Terrain | 2024 |
Every document filed under N242446290
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 |
|---|---|---|
| N242446290 | June 13, 2024 | Service campaign |
| N242446290 | May 30, 2024 | Service campaign |
Questions buyers ask
What is TSB N242446290?
N242446290 is a service campaign filed with NHTSA by Chevrolet and GMC, covering 5 Chevrolet and GMC models across the 2024 model years. NHTSA's summary reads: Service Update - Certain vehicles may have a condition in which the clutch backing plate retaining ring and/or the clutch piston retaining ring inside the transmission are out of specification. Dealers are to replace the clutch piston housing.
Which vehicles does N242446290 cover?
NHTSA's file names Chevrolet Blazer (2024); Chevrolet Trailblazer (2024); Chevrolet Traverse (2024); GMC Acadia (2024); GMC Terrain (2024). 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 N242446290 a recall, and is the repair free?
N242446290 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 N242446290?
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 N242446290, 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 N242446290. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.