TSB N242484740 — Chevrolet and GMC Service campaign

N242484740 is a service campaign on file with NHTSA for 5 Chevrolet and GMC models, 2022–2023 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 may have a condition that could cause the evaporative emissions purge pump to fail. If this condition occurs, the Malfunction Indicator Lamp (Check Engine Light) will illuminate, and a diagnostic trouble code will set. Dealers are to replace…

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

1Document filed
5Vehicles named
2Model years

Worth checking your VIN against. N242484740 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 N242484740 names

VehicleModel years
Chevrolet Blazer 2022, 2023
Chevrolet Silverado 1500 2022
Chevrolet Trax 2022
GMC Acadia 2022, 2023
GMC Sierra 1500 2022

Every document filed under N242484740

Document IDFiledType
N242484740 January 14, 2025 Service campaign

What N242484740 covers

Engine — the component vocabulary NHTSA files this communication under.

← All Chevrolet Blazer TSB years TSB lookup by model

Questions buyers ask

What is TSB N242484740?

N242484740 is a service campaign filed with NHTSA by Chevrolet and GMC, covering 5 Chevrolet and GMC models across the 2022–2023 model years. NHTSA's summary reads: Special Coverage - Certain vehicles may have a condition that could cause the evaporative emissions purge pump to fail. If this condition occurs, the Malfunction Indicator Lamp (Check Engine Light) will illuminate, and a diagnostic trouble code will set. Dealers are to replace…

Which vehicles does N242484740 cover?

NHTSA's file names Chevrolet Blazer (2022–2023); Chevrolet Silverado 1500 (2022); Chevrolet Trax (2022); GMC Acadia (2022–2023); GMC Sierra 1500 (2022). 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 N242484740 a recall, and is the repair free?

N242484740 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 N242484740?

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 N242484740, 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 N242484740. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.