# Service bulletin BBOM12032021901

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.

- Type: Service bulletin
- NHTSA id: 10204243
- Published by NHTSA: 2021\-12\-09
- Manufacturer's number: BBOM12032021901
- Manufacturer's date: 2021\-12\-03
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

Dealer Message \- Today, December 3, 2021, Acura is announcing a product improvement campaign \(PIC\) for certain 2019\-2021 RDX vehicles to update the telematics control unit \(TCU\) software for an upcoming network service change. Perform an iN VIN status inquiry to determine which units in your inventory are affected.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10204243-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10204243-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system

## Vehicles listed

- 2019 to 2021 ACURA RDX

## Other bulletins for the same vehicles and component

- [B21673](/bulletins/11033180.md), 2026-06-02, 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
- [B23\-025](/bulletins/11012814.md), 2025-01-13, 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.
- [ONL6M309172024](/bulletins/11008048.md), 2024-09-26, 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\-045](/bulletins/11005523.md), 2024-08-02, 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.
- [BBOM07302024902](/bulletins/11005521.md), 2024-08-02, 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.
- [B20\-053](/bulletins/10251896.md), 2024-03-19, Service bulletin: ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. 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\-013](/bulletins/10239706.md), 2023-07-27, Service bulletin: STRUCTURE:INTERIOR PANELS:SUN VISOR; ELECTRICAL SYSTEM; VISIBILITY:SUN/MOON ROOF ASSEMBLY. Service Bulletin \- The client may notice a loss of auto function, or no function, of the sunroof glass/sunshade due to a Motor\-Control Unit error code in the clock frequency check falsely detecting a failure.
- [B20\-031](/bulletins/10238818.md), 2023-07-06, Service bulletin: EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS; ELECTRICAL SYSTEM. Service Bulletin \- There is a popping or crackling from the speakers, a blank display, or no sound from the audio system due to a loose connection in the MOST bus network.
- [B23\-025](/bulletins/10238231.md), 2023-06-28, 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.
- [BBOM06232023902](/bulletins/10238229.md), 2023-06-28, Service bulletin: 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.

JSON: [/v1/bulletins/10204243](/v1/bulletins/10204243)

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