TSB A23-039 — Honda Service bulletin
A23-039 is a service bulletin on file with NHTSA for the Honda Civic, 2016–2021 model years, filed and re-filed as 5 documents. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. Service Bulletin - Due to a new North America regulation which introduces a new refrigerant and oil requirement, the compressor shaft seal may leak. American Honda is extending the warranty on the A/C compressor shaft seal from the original 3 years to 10 years from the original…
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years A23-039 names
Every document filed under A23-039
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 |
|---|---|---|
| A23-039 | June 19, 2024 | Service bulletin |
| A23-039 | January 24, 2024 | Service bulletin |
| A23-039 | September 28, 2023 | Service bulletin |
| A23-039 | June 15, 2023 | Service bulletin |
| A23-039 | May 19, 2023 | Service bulletin |
What A23-039 covers
Visibility & wipers — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB A23-039?
A23-039 is a service bulletin filed with NHTSA by Honda, covering the Honda Civic across the 2016–2021 model years. NHTSA's summary reads: Service Bulletin - Due to a new North America regulation which introduces a new refrigerant and oil requirement, the compressor shaft seal may leak. American Honda is extending the warranty on the A/C compressor shaft seal from the original 3 years to 10 years from the original…
Which vehicles does A23-039 cover?
NHTSA's file names Honda Civic (2016–2021). 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 A23-039 a recall, and is the repair free?
No. A23-039 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 A23-039?
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 A23-039, 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 A23-039. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.