TSB ONL6T603102023-3 — Acura Service bulletin

ONL6T603102023-3 is a service bulletin on file with NHTSA for the Acura MDX, 2016–2018 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. Warranty Extension - Under certain circumstances, after coming to a stop and the idle stop feature engages, the vehicle may not automatically restart.

NHTSA's own summary of the document, quoted from the public manufacturer-communications file.

1Document filed
1Vehicle named
3Model years

Vehicles and model years ONL6T603102023-3 names

VehicleModel years
Acura MDX 2016, 2017, 2018

Every document filed under ONL6T603102023-3

Document IDFiledType
ONL6T603102023-3 March 10, 2023 Service bulletin

What ONL6T603102023-3 covers

Engine — the component vocabulary NHTSA files this communication under.

← All Acura MDX TSB years TSB lookup by model

Questions buyers ask

What is TSB ONL6T603102023-3?

ONL6T603102023-3 is a service bulletin filed with NHTSA by Acura, covering the Acura MDX across the 2016–2018 model years. NHTSA's summary reads: Warranty Extension - Under certain circumstances, after coming to a stop and the idle stop feature engages, the vehicle may not automatically restart.

Which vehicles does ONL6T603102023-3 cover?

NHTSA's file names Acura MDX (2016–2018). 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 ONL6T603102023-3 a recall, and is the repair free?

No. ONL6T603102023-3 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 ONL6T603102023-3?

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 ONL6T603102023-3, its date, and NHTSA's own summary from the public file.

Data updated 2026-08-20 from NHTSA's public records

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 ONL6T603102023-3. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.