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Service bulletins for the 2022 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.

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

By type

By component

By trouble code

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

Bulletins, newest first
B216742026-06-02. Over-the-air update. ELECTRICAL SYSTEM. Over The Air Update - Vehicles equipped with the System Updates application are capable of downloading and installing Over the Air System Updates. System Updates contain upgrades that fix a variety of operational errors and/or enhancements that add new functionality. Information for the various software releases can be found in this document. Software version: D.1.6.4
B24-0462025-01-13. Service bulletin. ELECTRICAL SYSTEM. Service Bulletin - A coaxial cable terminal was not manufactured to proper specifications. An improperly manufactured terminal may lead to poor communication in the media-oriented system (MOST) bus network which can potentially affect the audio sound quality.
ONL6M3091720242024-09-26. Other. ELECTRICAL SYSTEM. Owner Notification Letter - A coaxial cable terminal was not manufactured to proper specifications. An improperly manufactured terminal may lead to poor communication in the media-oriented system (MOST) bus network which can potentially affect the audio sound quality.
B24-0462024-08-02. Service bulletin. ELECTRICAL SYSTEM. Service Bulletin - A coaxial cable terminal was not manufactured to proper specifications. An improperly manufactured terminal may lead to poor communication in the media-oriented system transport (MOST) bus network which can potentially affect the audio sound quality.
BBOM073020249022024-08-02. Other. ELECTRICAL SYSTEM. Dealer Message - A coaxial cable terminal was not manufactured to proper specifications. An improperly manufactured terminal may lead to poor communication in the Media Oriented System Transport (MOST) bus network which can potentially affect the audio sound quality.
B23-0302023-09-13. 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&072720239022023-08-03. 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&071220239022023-07-21. 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&062720239012023-07-06. 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&061220239032023-06-21. 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&052520239012023-06-02. 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.
BBOM021820222022-02-23. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Dealer Message - Today, February 18, 2022, Acura is announcing a stop sale and emissions recall for certain 2021-2022 TLX Type S units for a software defect that may prevent the MIL from turning off and DTC P2402 from clearing. Refer to your eResponsibility report or perform an iN VIN status inquiry to determine which units in your inventory are affected.
B22-0072022-02-23. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Service Bulletin - Due to PGM-FI software errors, vehicles that experience an evaporative leak check module (ELCM) circuit failure may not be able to turn off the MIL and clear DTC P2402, even if repaired. Some 2021 TLX Type S models have an additional software error in the FI-ECU related to the OBD system. Both of these do not comply with OBD regulatory requirements and may prevent the vehicle from passing a smog check.
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.
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.

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