TSB ONL6AX01302026 — Acura Manufacturer communication
ONL6AX01302026 is a manufacturer communication on file with NHTSA for the Acura MDX, 2016–2020 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. Owner Notification Letter - Under certain circumstances, after coming to a stop and the idle stop feature engaging, the vehicle may not automatically restart. Acura is providing a product update with a new PGM-FI software update to fix this issue.
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years ONL6AX01302026 names
Every document filed under ONL6AX01302026
| Document ID | Filed | Type |
|---|---|---|
| ONL6AX01302026 | January 31, 2026 | Manufacturer communication |
What ONL6AX01302026 covers
Fuel system — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB ONL6AX01302026?
ONL6AX01302026 is a manufacturer communication filed with NHTSA by Acura, covering the Acura MDX across the 2016–2020 model years. NHTSA's summary reads: Owner Notification Letter - Under certain circumstances, after coming to a stop and the idle stop feature engaging, the vehicle may not automatically restart. Acura is providing a product update with a new PGM-FI software update to fix this issue.
Which vehicles does ONL6AX01302026 cover?
NHTSA's file names Acura MDX (2016–2020). 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 ONL6AX01302026 a recall, and is the repair free?
No. ONL6AX01302026 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 ONL6AX01302026?
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 ONL6AX01302026, 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 ONL6AX01302026. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.