TSB B23066 — Acura Software update
B23066 is a software update on file with NHTSA for the Acura RDX, 2022–2025 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. Over the Air System Update - System updates contain upgrades that fix operational errors and/or provide a variety of enhancements, which adds new functionality. Information about the various software releases can be found in this document.
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Worth checking your VIN against. B23066 is filed as a software update, 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 B23066 names
Every document filed under B23066
| Document ID | Filed | Type |
|---|---|---|
| B23066 | January 21, 2026 | Software update |
What B23066 covers
Electrical — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB B23066?
B23066 is a software update filed with NHTSA by Acura, covering the Acura RDX across the 2022–2025 model years. NHTSA's summary reads: Over the Air System Update - System updates contain upgrades that fix operational errors and/or provide a variety of enhancements, which adds new functionality. Information about the various software releases can be found in this document.
Which vehicles does B23066 cover?
NHTSA's file names Acura RDX (2022–2025). 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 B23066 a recall, and is the repair free?
B23066 is filed as a software update, 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 B23066?
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 B23066, 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 B23066. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.