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Service bulletin BPaS04222021903

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10190995
Published by NHTSA2021-04-27
Manufacturer's numberBPaS04222021903
Manufacturer's date2021-04-22
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

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 document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system

Vehicles listed
ACURA TLX2021

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
25V0310002025-01-23. ELECTRICAL SYSTEM:SOFTWARE; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
B216742026-06-02. Over-the-air update. 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. 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. 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. 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. 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.
B20-0532024-03-19. Service bulletin. Service Bulletin - The MIL is flashing with a loss of power. This is most common in hot, humid regions, or after a period of rainfall. Humid air within the intake passage may condense and accumulate moisture during steady driving which enters the engine and may cause a misfire and a flashing MIL.
B23-0302023-09-13. Service bulletin. 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.
B21-0282021-12-03. Service bulletin. Service Bulletin - The MIL comes on with DTC P061B (PCM Internal Malfunction) is stored.
BTI&111620219062021-11-24. Service bulletin. 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. 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.