TSB N242446290-02 — Chevrolet and GMC Service campaign

N242446290-02 is a service campaign on file with NHTSA for 5 Chevrolet and GMC models, 2024 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. 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 overhaul the clutch piston housing.

NHTSA's own summary of the document, quoted from the public manufacturer-communications file.

1Document filed
5Vehicles named
1Model year

Worth checking your VIN against. N242446290-02 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 N242446290-02 names

VehicleModel years
Chevrolet Blazer 2024
Chevrolet Trailblazer 2024
Chevrolet Traverse 2024
GMC Acadia 2024
GMC Terrain 2024

Every document filed under N242446290-02

Document IDFiledType
N242446290-02 July 30, 2024 Service campaign

What N242446290-02 covers

Electrical — the component vocabulary NHTSA files this communication under.

← All Chevrolet Blazer TSB years TSB lookup by model

Questions buyers ask

What is TSB N242446290-02?

N242446290-02 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: 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 overhaul the clutch piston housing.

Which vehicles does N242446290-02 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 N242446290-02 a recall, and is the repair free?

N242446290-02 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 N242446290-02?

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 N242446290-02, its date, and NHTSA's own summary from the public file.

Data updated 2026-08-20 from NHTSA's public records

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 N242446290-02. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.