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&05062022903 | 2022-06-06. Service bulletin. SERVICE BRAKES. Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021-2022 TLX Type S with a client complaint of a front brake noise. The noise can be described as a squeal/moan/groan/rubbing noise. The noise can also occur while turning. 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. |
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| B98015 | 2022-05-09. Service bulletin. EQUIPMENT. Special Tool Loan Program: Under TOOLS AVAILABLE FOR LOAN, the list has been updated. |
| BTI&04222022901 | 2022-05-06. Service bulletin. SERVICE BRAKES, HYDRAULIC. Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021-2022 TLX Type S with a client complaint of a front brake noise. The noise can be described as a squeal/moan/groan/rubbing noise. The noise can also occur while turning. 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. |
| Emissions Recall | 2022-05-06. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE. "Customer letter - Your vehicle may be equipped with an improperly functioning on-board emission-related diagnostic system that violates California and Federal standards and regulations." |
| BTI&04052022903 | 2022-05-06. Service bulletin. SERVICE BRAKES, HYDRAULIC. Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021-2022 TLX Type S with a client complaint of a front brake noise. The noise can be described as a squeal/moan/groan/rubbing noise. The noise can also occur while turning. 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&03302022901 | 2022-04-07. Service bulletin. SERVICE BRAKES, HYDRAULIC; EQUIPMENT:MECHANICAL. Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021-2022 TLX Type S with a client complaint of a front brake noise. The noise can be described as a squeal/moan/groan/rubbing noise. The noise can also occur while turning. 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. |
| BTIS03092022 | 2022-03-15. Service bulletin. SERVICE BRAKES, HYDRAULIC. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021-2022 TLX Type S with a client complaint of a front brake noise. The noise can be described as a squeal/moan/groan/rubbing noise. The noise can also occur while turning. 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&02222022905 | 2022-03-02. Service bulletin. TIRES; TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS; WHEELS. 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. |
| BTI&02172022902 | 2022-02-23. Service bulletin. 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. |
| B22-002 | 2022-02-23. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY:VEHICLE CONTROLS:BRAKING; SERVICE BRAKES, HYDRAULIC. Service Bulletin - The front brakes make a high-pitched squeal when lightly applied at 15 mph or less. |
| BTI&02032022902 | 2022-02-08. Service bulletin. 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. |
| BTI&01192022905 | 2022-01-26. Service bulletin. TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS; EQUIPMENT. 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. |
| BTI&01032022905 | 2022-01-12. Service bulletin. WHEELS. 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. |
| BTI&12152021901 | 2021-12-22. Service bulletin. WHEELS. 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. |
| BTI&11292021908 | 2021-12-03. 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&11292021907 | 2021-12-03. Service bulletin. WHEELS; 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. |
| B21-028 | 2021-12-03. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN. Service Bulletin - The MIL comes on with DTC P061B (PCM Internal Malfunction) is stored. |
| BTI&11162021906 | 2021-11-24. 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. |
| BTI&11162021905 | 2021-11-24. 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. |
| B21100A | 2021-11-16. Service bulletin. AIR BAGS; SEATS. ServiceNews Article - There are several possible causes for the SRS DTC U3000-49 (Internal Failure of the SRS Unit) to be stored. If you can duplicate the DTC, the troubleshooting will take you through the step-by-step process in isolating the faulty component. In most situations, the SRS Unit should be last on the list of components to replace. Here is a quick tip for troubleshooting a faulty seat weight sensor. |
| BTI&11032021 | 2021-11-09. Service bulletin. 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. |
| BTI&10302021903 | 2021-11-03. 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&10292021 | 2021-11-03. Service bulletin. WHEELS. 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. |
| B21-028 | 2021-11-03. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING. Service Bulletin - The MIL comes on with DTC P061B (PCM Internal Malfunction) is stored. |
| BTI&10132021902 | 2021-10-19. 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. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.