TSB B24-046 — Acura Service bulletin
B24-046 is a service bulletin on file with NHTSA for the Acura TLX, 2021–2023 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 Bulletin - A coaxial cable terminal was not manufactured to proper specifications. An improperly manufactured terminal may lead to poor communication in the media-oriented system transport (MOST) bus network which can potentially affect the audio sound quality.
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years B24-046 names
Every document filed under B24-046
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 |
|---|---|---|
| B24-046 | December 18, 2024 | Service bulletin |
| B24-046 | July 30, 2024 | Service bulletin |
What B24-046 covers
Electrical — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB B24-046?
B24-046 is a service bulletin filed with NHTSA by Acura, covering the Acura TLX across the 2021–2023 model years. NHTSA's summary reads: Service Bulletin - A coaxial cable terminal was not manufactured to proper specifications. An improperly manufactured terminal may lead to poor communication in the media-oriented system transport (MOST) bus network which can potentially affect the audio sound quality.
Which vehicles does B24-046 cover?
NHTSA's file names Acura TLX (2021–2023). 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 B24-046 a recall, and is the repair free?
No. B24-046 is repair guidance the manufacturer sent its dealers, not a safety defect finding. You pay for the work unless the vehicle is still under warranty. Recall repairs, by contrast, are always free.
How do I get the full text of B24-046?
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 B24-046, 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 B24-046. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.