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.
By type
By component
By trouble code
| BTI&10122021 | 2021-10-19. 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. |
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| BTI&10112021902 | 2021-10-19. Service bulletin. STRUCTURE. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 TLXs & 2022 MDXs with a client complaint of the door(s) hard to close. 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&10072021 | 2021-10-16. Service bulletin. TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS; TIRES. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for 2019-2022 ILXs, 2022 MDXs, 2021 RDXs and 2021-2022 TLXs 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. |
| BPaS10052021 | 2021-10-16. Service bulletin. SUSPENSION. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 ILXs, 2022 MDXs & 2017-2018 RDXs with a client complaint of front suspension/damper noise. Noise can be described as knock, clunk, rattle, thump or creak. 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&09232021901 | 2021-10-06. Service bulletin. STRUCTURE. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 TLXs & 2022 MDXs with a client complaint of the door(s) hard to close. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind. |
| BPaS09072021901 | 2021-09-16. Service bulletin. SUSPENSION. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 ILXs, 2022 MDXs & 2017-2018 RDXs with a client complaint of front suspension/damper noise. Noise can be described as knock, clunk, rattle, thump or creak. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind. |
| BJA17882 | 2021-09-16. Service bulletin. ELECTRICAL SYSTEM. Job Aid - This job aid contains information on the MOST Bus Network and troubleshooting information for common problems. |
| BJA17882 | 2021-09-09. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Job Aid - This job aid contains information on the MOST Bus Network and troubleshooting information for common problems. |
| BTI&08292021 | 2021-09-02. Service bulletin. STRUCTURE. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 TLXs & 2022 MDXs with a client complaint of the door(s) hard to close. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind. |
| BPaS08192021901 | 2021-08-25. Service bulletin. SUSPENSION. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 ILXs, 2022 MDXs & 2017-2018 RDXs with a client complaint of front suspension/damper noise. Noise can be described as knock, clunk, rattle, thump or creak. 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&08162021901 | 2021-08-25. Service bulletin. STRUCTURE. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 TLXs & 2022 MDXs with a client complaint of the door(s) hard to close. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind. |
| B21-011 | 2021-08-13. Service bulletin. ELECTRICAL SYSTEM. Service Bulletin - The MIL comes on with DTC U0155 (Lost Communication with Gauge Control Module). |
| BTI&07282021903 | 2021-08-03. Service bulletin. STRUCTURE. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 TLXs & 2022 MDXs with a client complaint of the door(s) hard to close. 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&07072021903 | 2021-07-20. Service bulletin. STRUCTURE. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 TLXs & 2022 MDXs with a client complaint of the door(s) hard to close. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind. |
| B21060A | 2021-07-03. 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. |
| BTI&06152021902 | 2021-06-22. Service bulletin. STRUCTURE. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 TLXs & 2022 MDXs with a client complaint of the door(s) hard to close. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind. |
| BBTS210601 | 2021-06-11. 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". |
| BTI&05282021902 | 2021-06-04. Service bulletin. STRUCTURE. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 TLXs & 2022 MDXs with a client complaint of the door(s) hard to close. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind. |
| BPaS05102021903 | 2021-05-25. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. Dealer Message - As sales volume of the redesigned 2022 MDX picks up, we are receiving feedback that some dealers are finding the Lower Rear Engine Cover cracked at TQI. Your assistance is crucial to ensure that the engineering team investigating this issue receives parts to study; the earlier we can get these parts into their hands, the quicker we can resolve this quality issue. Please inspect the Lower Rear Engine Cover of all MDX vehicles arriving at your dealership, as well as any vehicles currently in your new inventory. If you find a cracked cover, replace it (Part #74114-TYA-A00) and promptly file a warranty claim using labor operation #8131M1. Please also quickly return the part if you receive a call-in request for it. |
| BBTS210502 | 2021-05-25. Service bulletin. SERVICE BRAKES. Tech Line Summary Article - Clients are reporting the brake warning lights are on and a brake warning message that says "BRAKE SYSTEM Brake system problem. Brake performance may be reduced. See your dealer," is displayed in the MID. The complaint is typically reported to occur at start-up or when shifting into reverse. Do an all DTC check. If related codes are present, follow the appropriate troubleshooting. If no related DTC codes are present, confirm the client is not experiencing any brake performance issues. This issue is currently under investigation and there is currently no recommended repair. |
| BBTS210501 | 2021-05-25. 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." |
| BPaS04282021 | 2021-05-05. Service bulletin. ENGINE AND ENGINE COOLING. "Dealer Message - As sales volume of the redesigned 2022 MDX picks up, we are receiving feedback that some dealers are finding the Lower Rear Engine Cover cracked at TQI. Your assistance is crucial to ensure that the engineering team investigating this issue receives parts to study; the earlier we can get these parts into their hands, the quicker we can resolve this quality issue. Please inspect the Lower Rear Engine Cover of all MDX vehicles arriving at your dealership, as well as any vehicles currently in your new inventory. If you find a cracked cover, replace it (Part #74114-TYA-A00) and promptly file a warranty claim using labor operation #8131M1. Please also quickly return the part if you receive a call-in request for it." |
| BBTS210401 | 2021-04-21. Service bulletin. ENGINE AND ENGINE COOLING. Tech Line Summary Article - We are receiving reports that a few dealers have found the lower rear engine cover cracked when doing the PDI. Inspect this cover as soon as the vehicles arrive at your dealer and any vehicles currently in your new car inventory. If you find a cracked cover, order, and replace the cover with (P/N 74114-TYA-A00) and promptly file a warranty claim using Labor Operation Number: 8131M1. |
| BBTS210304 | 2021-04-15. Service bulletin. STEERING. 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. Before starting the installation, check to make sure you have a kit with the correct cable reel by inspecting the label on the steering wheel side. The correct cable reel will have the label shown below. |
| BPaS03302021902 | 2021-04-06. Service bulletin. STRUCTURE. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 TLXs & 2022 MDXs with a client complaint of the door(s) hard to close. 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.