TSB B23-024 — Acura Service bulletin
B23-024 is a service bulletin on file with NHTSA for the Acura MDX, 2019–2020 model years, filed and re-filed as 4 documents. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. Service Bulletin - Honda has received customer complaints of the air conditioning system not blowing cold air due to an Oil/Refrigerant leak from the A/C compressor shaft seal.
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years B23-024 names
Every document filed under B23-024
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 |
|---|---|---|
| B23-024 | June 19, 2024 | Service bulletin |
| B23-024 | January 24, 2024 | Service bulletin |
| B23-024 | July 14, 2023 | Service bulletin |
| B23-024 | June 30, 2023 | Service bulletin |
What B23-024 covers
Visibility & wipers — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB B23-024?
B23-024 is a service bulletin filed with NHTSA by Acura, covering the Acura MDX across the 2019–2020 model years. NHTSA's summary reads: Service Bulletin - Honda has received customer complaints of the air conditioning system not blowing cold air due to an Oil/Refrigerant leak from the A/C compressor shaft seal.
Which vehicles does B23-024 cover?
NHTSA's file names Acura MDX (2019–2020). 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 B23-024 a recall, and is the repair free?
No. B23-024 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 B23-024?
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 B23-024, 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 B23-024. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.