Service bulletins for the 2021 Acura TLX
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.
132 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
| 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. |
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| 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. |
| B21-032_V2 | 2021-10-16. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS. Service Bulletin - There is a popping or cracking from the speakers, a blank display, or no sound from the audio system. You may also see a Network Loss message. |
| B21-032_V1 | 2021-10-16. Service bulletin. EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS; EQUIPMENT; ELECTRICAL SYSTEM. Service Bulletin - There is a popping or cracking from the speakers, a blank display, or no sound from the audio system. You may also see a Network Loss message. |
| 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. |
| 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. |
| BTI&09022021 | 2021-09-09. Service bulletin. EQUIPMENT; SERVICE BRAKES, HYDRAULIC. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 TLXs with a client complaint of a vibration/judder in the front brakes when applying the brakes. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind. |
| 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. |
| BTI&08182021 | 2021-08-25. Service bulletin. SERVICE BRAKES, HYDRAULIC. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 TLXs with a client complaint of a vibration/judder in the front brakes when applying the brakes. To better understand the cause of this condition, AHM would like to collect specific parts from 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. |
| BTI&07302021906 | 2021-08-03. Service bulletin. SERVICE BRAKES, HYDRAULIC. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 TLXs with a client complaint of a vibration/judder in the front brakes when applying the brakes. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind. |
| BTI&07302021901 | 2021-08-03. Service bulletin. SERVICE BRAKES, HYDRAULIC. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 TLXs with a client complaint of a vibration/judder in the front brakes when applying the brakes. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind. |
| 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. |
| B21-021 | 2021-06-11. Service bulletin. POWER TRAIN. Service Bulletin - The MIL comes on with DTC P0236 (Turbocharger Boost Sensor Circuit Range/Performance Problem) stored. |
| 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. |
| B20-053 | 2021-06-04. Service bulletin. ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE. Service Bulletin - The MIL is flashing with loss of power. |
| BPaS05102021901 | 2021-05-25. Service bulletin. ELECTRICAL SYSTEM. Dealer Message - AH is looking for failed AGM batteries on the 2021 TLX. If you have one, please issue the warranty claim as soon as possible and set the failed AGM battery aside. The battery will be collected by an AH Tech Line Rep, and shipped for further analysis. |
| BPaS04222021903 | 2021-04-27. Service bulletin. ELECTRICAL SYSTEM. Dealer Message - AH is looking for failed AGM batteries on the 2021 TLX. If you have one, please issue the warranty claim as soon as possible and set the failed AGM battery aside. The battery will be collected by an AH Tech Line Rep, and shipped for further analysis. |
| BPaS04072021 | 2021-04-15. Service bulletin. ELECTRICAL SYSTEM. Dealer Message - AH is looking for failed AGM batteries on the 2021 TLX. If you have one, please issue the warranty claim as soon as possible and set the failed AGM battery aside. The battery will be collected by an AH Tech Line Rep, and shipped for further analysis. |
| 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. |
| BBTS210301 | 2021-03-23. 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.