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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.

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By trouble code

Only bulletins with component: Equipment and accessories are shown. Show all

Bulletins, newest first
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&032420239032023-03-29. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; PARKING BRAKE. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for any & all 2022 MDX Type Ss & 2021-2022 TLXs that match the criteria listed below. Qualifiers AHM is interested ONLY if the vehicle meets the following requirements: 1. Manufactured date on the Driver’s door jamb must be between 1/2019 & 9/2021. 2. No DTC stored. 3. Electric Servo Brake (ESB) system has not been replaced previously.
BTI&010320239012023-01-11. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for any & all 2022 MDX Type Ss & 2021-2022 TLXs that match the criteria listed below.
BTI&112820229082022-12-06. Service bulletin. SERVICE BRAKES; EQUIPMENT:OTHER:LABELS. Dealer Message - Background American Honda Motor Co., Inc. (AHM) is searching for any & all 2022 MDX Type Ss & 2021-2022 TLXs that match the criteria listed below. Qualifiers AHM is interested ONLY if the vehicle meets the following requirements: 1. Manufactured date on the Driver’s door jamb must be between 1/2019 & 9/2021. 2. No DTC stored. 3. Electric Servo Brake (ESB) system has not been replaced previously.
B22-0022022-07-07. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; SERVICE BRAKES, HYDRAULIC. "Service bulletin - The front brakes make a high-pitched squeal when lightly applied at 15 mph or less. NOTE: The front brakes stop squealing once they’re warmed up. There is insufficient damping between the front brake pads and shims."
BTI&060220229012022-07-07. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; 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.
B980152022-05-09. Service bulletin. EQUIPMENT. Special Tool Loan Program: Under TOOLS AVAILABLE FOR LOAN, the list has been updated.
BTI&033020229012022-04-07. 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.
B22-0022022-02-23. 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&011920229052022-01-26. 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&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.
B21-032_V22021-10-16. 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_V12021-10-16. 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&090220212021-09-09. 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.
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.
BPaS030220212021-03-09. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. 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.
BPaS010720212021-01-14. Service bulletin. EQUIPMENT; 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.

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