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Service bulletins for the 2022 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.

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

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By component

By trouble code

Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
BTI&062020229012022-07-07. Service bulletin. EQUIPMENT; STRUCTURE; ELECTRICAL SYSTEM. Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2022 MDXs & 2020-2022 RDXs with a client complaint of the auto-open/close function on the sunshade/sunroof being lost (client has to continuously press on the button for movement). 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&040520229022022-05-06. Service bulletin. STRUCTURE; ELECTRICAL SYSTEM. Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022 RDXs & 2022 MDXs with a client complaint of the sunshade or sunroof closing partially before reversing open or will not move in the closing direction from any position. 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&032220229032022-04-07. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE. Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022 RDXs & 2022 MDXs with a client complaint of the sunshade or sunroof closing partially before reversing open or will not move in the closing direction from any position. 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&031120229012022-03-15. Service bulletin. VISIBILITY; EQUIPMENT; ELECTRICAL SYSTEM. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022 RDXs & 2022 MDXs with a client complaint of the sunshade or sunroof closing partially before reversing open or will not move in the closing direction from any position. 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&030320229022022-03-08. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022 RDXs & 2022 MDXs with a client complaint of the sunshade or sunroof closing partially before reversing open or will not move in the closing direction from any position. 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&022220229062022-03-02. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022 RDXs & 2022 MDXs with a client complaint of the sunshade or sunroof closing partially before reversing open or will not move in the closing direction from any position. 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&021720229042022-02-23. Service bulletin. VISIBILITY; ELECTRICAL SYSTEM. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022 RDXs & 2022 MDXs with a client complaint of the sunshade or sunroof closing partially before reversing open or will not move in the closing direction from any position. 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&020920229022022-02-15. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022 RDXs & 2022 MDXs with a client complaint of the sunshade or sunroof closing partially before reversing open or will not move in the closing direction from any position. 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&020120229012022-02-08. Service bulletin. EQUIPMENT; VISIBILITY:SUN/MOON ROOF ASSEMBLY; ELECTRICAL SYSTEM. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022 RDXs & 2022 MDXs with a client complaint of the sunshade or sunroof closing partially before reversing open or will not move in the closing direction from any position. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
BBTS2103042022-02-08. Service bulletin. ELECTRICAL SYSTEM; STEERING:STEERING WHEEL /HANDLE BAR:HAND HEATER/COOLER. Tech Line Summary Article - We've received reports that the accessory heated steering wheel does not work after installation. Our investigation has revealed that certain accessory kits may have the incorrect cable reel.
BTI&010420229012022-01-12. Service bulletin. VISIBILITY; ELECTRICAL SYSTEM; STRUCTURE. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022 RDXs & 2022 MDXs with a client complaint of the sunshade or sunroof closing partially before reversing open or will not move in the closing direction from any position. 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&112920219042021-12-03. Service bulletin. VISIBILITY; ELECTRICAL SYSTEM; STRUCTURE. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 RDXs & 2022 MDXs with a client complaint of the sunshade or sunroof closing partially before reversing open or will not move in the closing direction from any position. 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&111620219062021-11-24. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for 2019-2022 ILXs, 2022 MDXs, 2021-2022 RDXs & TLXs with a client complaint of the Tire Pressure Monitoring System (TPMS) light on due to a faulty sensor with a client complaint of the Tire Pressure Monitoring System (TPMS) light on due to a faulty sensor. To better understand the cause of this condition, AHM would like to collect specific parts from the before attempting a repair of any kind.
B21-0352021-11-24. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Service Bulletin - The AcuraLink mobile application from the Google Play store or the App store - Apple displays a blank odometer reading when the odometer in the vehicle mileage exceeds 16,959 miles.
BTI&103020219012021-11-03. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 RDXs & 2022 MDXs with a client complaint of the sunshade or sunroof closing partially before reversing open or will not move in the closing direction from any position. 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&101220212021-10-19. Service bulletin. VISIBILITY; ELECTRICAL SYSTEM. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 RDXs & 2022 MDXs with a client complaint of the sunshade or sunroof closing partially before reversing open or will not move in the closing direction from any position. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
BJA178822021-09-16. Service bulletin. ELECTRICAL SYSTEM. Job Aid - This job aid contains information on the MOST Bus Network and troubleshooting information for common problems.
BJA178822021-09-09. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Job Aid - This job aid contains information on the MOST Bus Network and troubleshooting information for common problems.
B21-0112021-08-13. Service bulletin. ELECTRICAL SYSTEM. Service Bulletin - The MIL comes on with DTC U0155 (Lost Communication with Gauge Control Module).
B21060A2021-07-03. Service bulletin. ELECTRICAL SYSTEM. ServiceNews Article - If you have a client stating their Apple iPhone 12 (all models: iPhone 12, iPhone 12 mini, iPhone 12 Pro, and iPhone 12 Pro Max) does not charge when using the wireless charger, let them know that we are aware of these concerns and are currently looking into it. Replacing the wireless charger or using another iPhone 12 will not address the client's concern. Advise your client to use a USB charging cord until a repair is available.
BBTS2106012021-06-11. Service bulletin. ELECTRICAL SYSTEM. Tech Line Summary Article - Do you have a client who is complaining of their Alexa not responding or giving a "set up not complete" message? This is a known software issue. A future Over the Air update (OTA) will address this issue but, in the meantime, have the client sign up for a trial AT&T data plan. The trial will last 3 months or 3GB of use, whichever comes first. This will be a temporary fix until an OTA update is released. The client can sign up for the free trial at www.att.com/acura. Once the client has an active trial, the Alexa connection will have to be changed to "Vehicle Data Plan".
BBTS2105012021-05-25. Service bulletin. ELECTRICAL SYSTEM. "Tech Line Summary Article - Do you have a client who has a complaint of an error message com.honda.auto.(application name) Application isn't responding or (application name) isn't responding. NOTE: - Other symptoms may include Navigation slow to respond. - Calculate or System Freeze when entering a navigation route using voice recognition. This is a known software bug that can happen at random. Pressing the OK button will dismiss the message with no other effects on the vehicle. We are currently working on a software fix that will be released through OTA in the near future. Until the OTA is released there is no need to replace any parts."
BBTS2103032021-04-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Tech Line Summary Article - Do you have a client with a complaint that their AT&T Hotspot has an error message? If they have an active AT&T data plan, but they get a message "Service not supported"; this is a known software bug. Please inform the client that an OTA update will be released soon to address this concern.
B21-0112021-04-05. Service bulletin. ELECTRICAL SYSTEM. Service Bulletin - The MIL comes on with DTC U0155 (Lost Communication with Gauge Control Module).
BBTS2103012021-03-23. Service bulletin. ELECTRICAL SYSTEM. Tech Line Summary Article - If you have a client stating their Apple iPhone 12 (all models: iPhone 12, iPhone 12 mini, iPhone 12 Pro, and iPhone 12 Pro Max) does not charge when using the wireless charger, please let them know that we are aware of these concerns and are currently looking into it. Replacing the wireless charger or using another iPhone 12 will not address the client's concern.

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