2026 Acura MDX TSBs

7 manufacturer communications for the 2026 Acura MDX sit in NHTSA's public file. A TSB is factory repair guidance, not a recall — the repair is not automatically free. The 2026 MDX problem report covers complaints, recalls, and investigations.

7Communications
2Campaigns & extensions

What the bulletins cover

Electrical4 bulletins
Engine3 bulletins
Fuel system1 bulletin

Warranty extensions, campaigns & software updates

Worth checking your VIN against — these can mean free or reimbursed work if your vehicle qualifies.

Electrical BB28518 March 10, 2026 Software update

Over The Air System Updates - Vehicles equipped with the System Updates application are capable of downloading and installing Over the Air System updates (OTA). A connection to a Wi-Fi network is needed to perform the update over the air. System updates contain upgrades that fix…

Electrical B28518 January 17, 2026 Software update

Over the Air System Update - System updates contain upgrades that fix operational errors and/or provide a variety of enhancements, which adds new functionality. Information about the various software releases can be found in this document.

Service bulletins

Engine BTI&05122026901 May 13, 2026

Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2024-2026 MDXs with a client complaint of the Malfunction Indicator Light (MIL) on with the DTC P0441 (EVAP System Purge Flow Malfunction) stored. To better understand the cause of this condition, AHM…

Engine BTI&04292026901 April 29, 2026

Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2024-2026 MDXs with a client complaint of the Malfunction Indicator Light (MIL) on with the DTC P0441 (EVAP System Purge Flow Malfunction) stored. To better understand the cause of this condition, AHM…

Fuel system · Engine BTI&04202026901 April 20, 2026

Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2024-2026 MDXs with a client complaint of the Malfunction Indicator Light (MIL) on with the DTC P0441 (EVAP System Purge Flow Malfunction) stored. To better understand the cause of this condition, AHM…

Electrical BBTS30565 April 7, 2026

Tech Line Summary - The vehicle's infotainment system displays previously viewed SMS messages upon each ignition cycle, when the customer's Android phone is connected via Bluetooth.

Electrical BB29050 August 4, 2025

Tech Line - Customers may experience error code S001 with their audio unit. The vehicle may also have DTC B2B05-92 CAN Gateway error stored due to the dealership’s wi-fi settings.

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