Service bulletins for the 2023 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.
49 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
| BTI&05032024903 | 2024-05-15. Other. STRUCTURE:BODY. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2022-2024 TLXs with a client complaint of a loose rear spoiler. The looseness may cause a noticeable gap between the spoiler and the trunk lid. 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&04122024901 | 2024-04-17. Service bulletin. STRUCTURE. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2022-2024 TLXs with a client complaint of a loose rear spoiler. The looseness may cause a noticeable gap between the spoiler and the trunk lid. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind. |
| B23-010 | 2024-04-03. Service bulletin. POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Service Bulletin - During engine start in cold conditions, a miscalculation in the PCM causes the air-fuel ratio to exceed DTC rich criteria. |
| BTI&03262024902 | 2024-04-03. Service bulletin. STRUCTURE. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2022-2024 TLXs with a client complaint of a loose rear spoiler. The looseness may cause a noticeable gap between the spoiler and the trunk lid. 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&03082024901 | 2024-03-13. Service bulletin. STRUCTURE. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2022-2024 TLXs with a client complaint of a loose rear spoiler. The looseness may cause a noticeable gap between the spoiler and the trunk lid. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind. |
| B23100A | 2023-10-20. Service bulletin. SERVICE BRAKES, HYDRAULIC. Service Bulletin - The vehicle's brakes may exhibit a groan, squeal, or squeak noise, most commonly after the vehicle sits for a prolonged period and the brakes are cold. This noise will typically disappear after the first few brake applications. |
| BTI&09182023904 | 2023-09-26. Service bulletin. STRUCTURE. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2022-2023 TLXs with a client complaint of a loose rear spoiler. The looseness may cause a noticeable gap between the spoiler and the trunk lid. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind. |
| B23-030 | 2023-09-13. Service bulletin. EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM; EQUIPMENT. Service Bulletin - The client may experience a popping or crackling noise from the speakers, a blank display, or no sound from the audio system. They may also see a Network Loss message. |
| BTI&08282023904 | 2023-09-06. Service bulletin. SERVICE BRAKES, HYDRAULIC. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021-2023 TLX Type S’s with a client complaint of a front brake noise while turning. The noise can be described as a low frequency groan noise. 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&08142023901 | 2023-08-18. Service bulletin. SERVICE BRAKES. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021-2023 TLX Type S’s with a client complaint of a front brake noise while turning. The noise can be described as a low frequency groan noise. 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&07272023903 | 2023-08-03. Service bulletin. SERVICE BRAKES. Dealer Message -American Honda Motor Co., Inc. (AHM) is searching for certain 2021-2023 TLX Type S’s with a client complaint of a front brake noise while turning. The noise can be described as a low frequency groan noise. 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&07272023902 | 2023-08-03. Service bulletin. ELECTRICAL SYSTEM. Dealer Message -American Honda Motor Co., Inc. (AHM) is searching for certain 2022-2023 TLXs with a client complaint of the ⓘ System Message Indicator coming on MID (Multi Information Display) with a warning message “Some Driver Assistance Systems Cannot Operate: Radar Obstructed,” and/or one or more Millimeter Wave Radar DTCs listed below (in Qualifiers) stored. To better understand the cause of this condition, AHM would like to collect specific information from the vehicle prior to you attempting a repair of any kind. |
| BTI&07122023902 | 2023-07-21. Service bulletin. ELECTRICAL SYSTEM. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2022-2023 TLXs with a client complaint of the ⓘ System Message Indicator coming on MID (Multi Information Display) with a warning message “Some Driver Assistance Systems Cannot Operate: Radar Obstructed,” and/or one or more Millimeter Wave Radar DTCs listed below (in Qualifiers) stored. To better understand the cause of this condition, AHM would like to collect specific information from the vehicle prior to you attempting a repair of any kind. |
| BTI&06272023901 | 2023-07-06. Service bulletin. ELECTRICAL SYSTEM. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2022-2023 TLXs with a client complaint of the ⓘ System Message Indicator coming on MID (Multi Information Display) with a warning message “Some Driver Assistance Systems Cannot Operate: Radar Obstructed,” and/or one or more Millimeter Wave Radar DTCs listed below (in Qualifiers) stored. To better understand the cause of this condition, AHM would like to collect specific information from the vehicle prior to you attempting a repair of any kind. |
| BTI&06122023903 | 2023-06-21. Service bulletin. ELECTRICAL SYSTEM. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2022-2023 TLXs with a client complaint of the ⓘ System Message Indicator coming on MID (Multi Information Display) with a warning message “Some Driver Assistance Systems Cannot Operate: Radar Obstructed,” and/or one or more Millimeter Wave Radar DTCs listed below (in Qualifiers) stored. To better understand the cause of this condition, AHM would like to collect specific information from the vehicle prior to you attempting a repair of any kind. |
| BTI&06152023901 | 2023-06-21. Service bulletin. SERVICE BRAKES, HYDRAULIC. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021-2023 TLX Type S's with a client complaint of a front brake noise while turning. The noise can be described as a low frequency groan noise. 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&06012023904 | 2023-06-15. Service bulletin. STEERING; SERVICE BRAKES, HYDRAULIC. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021-2023 TLX Type S's with a client complaint of a front brake noise while turning. The noise can be described as a low frequency groan noise. 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&05252023901 | 2023-06-02. Service bulletin. ELECTRICAL SYSTEM. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2022-2023 TLXs with a client complaint of the ⓘ System Message Indicator coming on MID (Multi Information Display) with a warning message “Some Driver Assistance Systems Cannot Operate: Radar Obstructed,” and/or one or more Millimeter Wave Radar DTCs listed below (in Qualifiers) stored. To better understand the cause of this condition, AHM would like to collect specific information from the vehicle prior to you attempting a repair of any kind. |
| ATI&05162023906 | 2023-05-31. Service bulletin. SERVICE BRAKES, HYDRAULIC. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021-2023 TLX Type S's with a client complaint of a front brake noise while turning. The noise can be described as a low frequency groan noise. 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. |
| ATI&05012023905 | 2023-05-11. Service bulletin. SERVICE BRAKES, HYDRAULIC. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021-2023 TLX Type S's with a client complaint of a front brake noise while turning. The noise can be described as a low frequency groan noise. 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. |
| ATI&04172023905 | 2023-04-27. Service bulletin. SERVICE BRAKES; STEERING. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021-2023 TLX Type S's with a client complaint of a front brake noise while turning. The noise can be described as a low frequency groan noise. 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&03302023904 | 2023-04-04. Service bulletin. SERVICE BRAKES; STEERING. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021-2023 TLX Type S's with a client complaint of a front brake noise while turning. The noise can be described as a low frequency groan noise. 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. |
| ATI&03162023907 | 2023-03-23. Service bulletin. PARKING BRAKE; STEERING. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021-2023 TLX Type S's with a client complaint of a front brake noise while turning. The noise can be described as a low frequency groan noise. 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. |
| B23-010 | 2023-03-23. Service bulletin. ENGINE AND ENGINE COOLING. Service Bulletin - Under certain circumstances, the vehicle may experience driveability concerns. This may result in the following DTC’s to set: • P0300 (Random Misfire Detected), • P0301 (No. 1 Cylinder Misfire Detected), • P0302 (No. 2 Cylinder Misfire Detected), • P0303 (No. 3 Cylinder Misfire Detected), • P0304 (No. 4 Cylinder Misfire Detected), • P0172 (Fuel System Too Rich) |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.