TSB A242435780-01 — Chevrolet Service campaign

A242435780-01 is a service campaign on file with NHTSA for 2 Chevrolet models, 2024 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. Emission Recall - certain vehicles may have The engine control module may not properly control engine ignition timing following certain Auto Engine Stop/Start events. If this were to occur, the Malfunction Indicator Lamp (Check Engine Light) would illuminate, and the engine may…

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

1Document filed
2Vehicles named
1Model year

Worth checking your VIN against. A242435780-01 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 A242435780-01 names

VehicleModel years
Chevrolet Trailblazer 2024
Chevrolet Trax 2024

Every document filed under A242435780-01

Document IDFiledType
A242435780-01 August 15, 2024 Service campaign
← All Chevrolet Trailblazer TSB years TSB lookup by model

Questions buyers ask

What is TSB A242435780-01?

A242435780-01 is a service campaign filed with NHTSA by Chevrolet, covering 2 Chevrolet models across the 2024 model years. NHTSA's summary reads: Emission Recall - certain vehicles may have The engine control module may not properly control engine ignition timing following certain Auto Engine Stop/Start events. If this were to occur, the Malfunction Indicator Lamp (Check Engine Light) would illuminate, and the engine may…

Which vehicles does A242435780-01 cover?

NHTSA's file names Chevrolet Trailblazer (2024); Chevrolet Trax (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 A242435780-01 a recall, and is the repair free?

A242435780-01 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 A242435780-01?

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 A242435780-01, 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 A242435780-01. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.