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Service bulletins for the 2019 Acura RDX

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.

223 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
BPaS030320209062020-03-12. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; EQUIPMENT. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2019 AWD RDXs with a client complaint of a noise coming from the front dampers while driving. 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.
BTS2002012020-03-03. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Tech Line Summary Article - There was a provisional procedure provided to all field engineers to attempt the repair of certain clients' vehicles that might have experienced issues related to the MOST connectors, resulting in the audio system shutting down and the speakers making popping noises.
B20-0042020-01-23. Service bulletin. EQUIPMENT; SEATS. Service Bulletin - When the front passenger seat is occupied, and the vehicle is turning, a tick or click is heard. There is too much clearance in the front passenger lower seat frame around the area of the seat weight sensor bracket.
B19-0502019-10-03. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL. Service Bulletin - The Display Audio screen may show the clock off by 1 hour. This is caused by a software issue that stores the incorrect date in the audio unit.
BBOM082820192019-09-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL; EQUIPMENT. Dealer Message - Today, August 28, 2019, Acura is announcing a product update for certain 2019-2020 RDX vehicles where the display audio system may not show the correct time. Do an iN VIN status inquiry to determine which units in your inventory are affected.
BBTS1909012019-09-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Tech Line Summary Article - Are your client's complaining that their stored navigation favorites have been lost and they can't add them again after the recent OTA update? This issue can be easily fixed with a factory data reset of the infotainment unit.
B19-0142019-08-14. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. Service Bulletin - A whistling is heard from the center dash area when the engine is running with the A/C system cycling, or a few seconds after the ignition is turned to OFF.
B19070C2019-07-26. Service bulletin. EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. ServiceNews Article - There's a video going around on YouTube and online forums that claims to fix an issue where the audio unit stays on with the ignition turned to OFF. This fix has you run a Hardware Auto Detect from the diagnostic screen. There's just one problem with this fix: if you run it with the audio unit in this failed state, it causes a No Audio Connection or Radio Unavailable message and a loss of sound! If you get any vehicles in for this issue, find out if your client tried this fix. If they did, advise them to not run it again.
B19070D2019-07-23. Service bulletin. EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM; EQUIPMENT. "ServiceNews Article - Are you having this issue while using Apple CarPlay? -CarPlay beeps and stops working. -If you try to switch to a different audio source, you see the message XM-Check Tuner or FM-Radio Unavailable. -When you turn the ignition to OFF, the navigation display stays on."
B19-0142019-07-23. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. Service Bulletin - A whistling is heard from the center dash area when the engine is running with the A/C system cycling, or a few seconds after the ignition is turned to OFF.
B19040C2019-06-06. Service bulletin. EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM; EQUIPMENT. ServiceNews Article - Are you hearing a popping or crackling from the speakers? This may be due to a connection issue in the MOST bus network, which can be identified by the unique red and green connectors at each component of the infotainment system.
B19040C2019-04-23. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL. ServiceNews Article - Are you hearing a popping or crackling from the speakers? This may be due to a connection issue in the MOST bus network, which can be identified by the unique red and green connectors at each component of the infotainment system.
BTS1904012019-04-22. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. "Tech Line Summary Article - Are you having this issue while using Apple CarPlay? -CarPlay beeps and stops working. -If you try to switch to a different audio source, you see the message XM-Check Tuner or FM-Radio Unavailable. -When you turn the ignition to OFF, the navigation display stays on."
B18-0622019-02-10. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. Service bulletin - When cold-starting the engine and shifting to Reverse with your foot on the brake pedal, you hear a booming noise and the engine idles rough. The ANC control unit becomes unstable when the idle fluctuates.
B18100E2018-10-29. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT. Servicenews article - If you get a vehicle with the message CODE 6382 Unable to Update on the audio/information screen, it means there's a problem doing an over-the-air (OTA) update. We're aware of this issue, and have it under investigation.
BER18090B2018-10-22. Service bulletin. EQUIPMENT:ELECTRICAL. Engineering request for investigation - American Honda Motor Co., Inc. (AHM) is investigating certain 2019 RDXs with a client complaint of the horn inoperative when pressed or the panic button is used. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
BPaS100220189012018-10-15. Service bulletin. EQUIPMENT. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2019 RDXs with a client complaint of the horn inoperative when pressed or the panic button is used. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
B18100B2018-10-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM. Service news article - Troubleshooting an audio system that's stopped working and/or has a blank audio/information screen? You may have noticed the service information is a bit lean on how to troubleshoot the media-oriented systems transport (MOST) network using electrical control line (ECL) diagnosis. Until we can revise the service information, here's some important info on how to access the ECL diagnostic screen and interpret the data.
BPaS091720189052018-10-15. Service bulletin. EQUIPMENT. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2019 RDXs with a client complaint of the horn inoperative when pressed or the panic button is used. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
BER18090B2018-10-15. Service bulletin. EQUIPMENT:ELECTRICAL. Engineering request for investigation - American Honda Motor Co., Inc. (AHM) is investigating certain 2019 RDXs with a client complaint of the horn inoperative when pressed or the panic button is used. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
B18080B2018-09-04. Service bulletin. EQUIPMENT. Servicenews article - Is the navigation system lacking address or traffic info? The Connected Features may just be disabled or the system might not be connected to its online server. With this feature enabled, the system shares VIN, location, and usage info with an online server (HERE) for the most up-to-date driving and point of interest (POI) info. With it disabled, there's no connection and then system must rely on what's stored in its map database.

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