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Service bulletins for the 2026 Acura ADX

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

8 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Bulletins, newest first
B26-0052026-10-01. Service bulletin. ELECTRICAL SYSTEM. Service Bulletin - Siri stops working when touching the display to interact with Wireless CarPlay. Siri can also freeze when reading a text message or when inputting a destination in Apple Maps.
B26-0012026-10-01. Service bulletin. ENGINE. Service Bulletin - Under certain conditions, the cylinder head gasket effectiveness may be reduced which may cause vehicles to experience overheating, coolant loss, and/or misfire. In some cases, DTCs P0300 through P0304 may also be stored (DTCs are not required for repair).
BBJA311202026-09-21. Service bulletin. ENGINE. Job Aid - This job aid only applies to vehicles involved in the cylinder head gasket warranty extension. While replacing the cylinder head gasket, a flatness check of the mating surfaces of both the cylinder head and engine block must be done. If the mating surface warpage is found to be outside of service manual specifications, replacement of the component is required.
BB313922026-09-02. Over-the-air update. ELECTRICAL SYSTEM. Over the Air System Updates - 2025–26 ADX: Software Update for Audio System software version 8A050-3BH-AA31.
B26-0012026-08-27. Service bulletin. ENGINE. Service Bulletin - Under certain conditions, the cylinder head gasket effectiveness may be reduced which may cause vehicles to experience overheating, coolant loss, misfire and/or DTCs P0300 thru P0304 stored.
BEBM082620269012026-08-27. Other. ENGINE. Dealer Message - Under certain conditions, the cylinder head gasket effectiveness may be reduced which may cause vehicles to experience overheating, coolant loss, misfire, and/or DTCs P0300 through P0304 stored.
BBTS305652026-04-14. Other. ELECTRICAL SYSTEM. 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.
BTI&100720259012025-10-14. Other. VISIBILITY/WIPER. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2025-2026 ADXs and 2023-2026 Integras with a client complaint of the front wiper motors being inop. The wipers may also appear misaligned when in the normal resting position. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to your attempting a repair of any kind.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.