TSB B24-022 — Acura Service bulletin
B24-022 is a service bulletin on file with NHTSA for 2 Acura models, 2015–2020 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 - The AWD warning light is on with one or more AWD DTCs having been set due to water intrusion into the electric oil pump motor connector area corrodes the terminals.
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years B24-022 names
| Vehicle | Model years |
|---|---|
| Acura MDX | 2016, 2017, 2018, 2019, 2020 |
| Acura TLX | 2015, 2016, 2017, 2018, 2019, 2020 |
Every document filed under B24-022
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 |
|---|---|---|
| B24-022 | February 19, 2025 | Service bulletin |
| B24-022 | November 22, 2024 | Service bulletin |
What B24-022 covers
Engine, Body & structure — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB B24-022?
B24-022 is a service bulletin filed with NHTSA by Acura, covering 2 Acura models across the 2015–2020 model years. NHTSA's summary reads: Service Bulletin - The AWD warning light is on with one or more AWD DTCs having been set due to water intrusion into the electric oil pump motor connector area corrodes the terminals.
Which vehicles does B24-022 cover?
NHTSA's file names Acura MDX (2016–2020); Acura TLX (2015–2020). 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 B24-022 a recall, and is the repair free?
No. B24-022 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 B24-022?
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 B24-022, 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 B24-022. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.