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Service bulletins for the 2020 Acura MDX

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.

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

By type

By component

By trouble code

Only bulletins with component: Lighting are shown. Show all

Bulletins, newest first
BTI&052520239022023-06-02. Service bulletin. ELECTRICAL SYSTEM; EXTERIOR LIGHTING. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2020 MDXs with a client complaint of the lid light (inner taillight) inop. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
BTI&050920239022023-05-23. Service bulletin. EXTERIOR LIGHTING. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2020 MDXs with a client complaint of the lid light (inner taillight) inop. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
BTI&041820239012023-04-27. Service bulletin. EXTERIOR LIGHTING. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2020 MDXs with a client complaint of the lid light (inner taillight) inop. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
BTI&040420239012023-04-20. Service bulletin. EXTERIOR LIGHTING. Dealer Message - Honda is searching for certain 2019 - 2020 MDXs with a client complaint of the lid light (inner taillight) inop. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
BTI&032120239012023-03-29. Service bulletin. ELECTRICAL SYSTEM; EXTERIOR LIGHTING. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2020 MDXs with a client complaint of the lid light (inner taillight) inop. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
BTI&030620239022023-03-18. Service bulletin. EXTERIOR LIGHTING. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2020 MDXs with a client complaint of the lid light (inner taillight) inop. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind. Qualifiers AHM is interested ONLY if the vehicle meets the following requirements: 1. Manufactured date on the driver’s door jamb must be 12/2018 or later. 2. Must confirm that the lid light (inner taillight) is inop. 3. No history of side or rear impact collision. 4. No repair has been attempted.
BTI&020920239042023-02-15. Service bulletin. EXTERIOR LIGHTING. Dealer Message- American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2020 MDXs with a client complaint of the lid light (inner taillight) inop. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.

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