Service bulletins for the 2020 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.
234 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
| BBOM02182021 | 2021-02-26. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Dealer Message - Today, February 18, 2021, Acura is announcing a warranty extension for certain 2019-20 RDX vehicles. This warranty extension covers communication issues in the MOST bus network where the vehicle may experience popping or crackling from the speakers, a blank display, no sound from the audio system, a Network Loss message, center display staying on after turning the vehicle to the OFF mode with the door open, display switches between the Day Mode and Night Mode, the "Drive mode not available" message appears, or the disclaimer message is stuck on. Acura is extending the warranty for the MOST bus network connectors on these vehicles to 6 years or 72,000 miles from the original date of purchase, whichever comes first. |
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| B21-009 | 2021-02-26. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Service Bulletin - A loose connection in the MOST bus network is causing a popping or crackling from the speakers, a blank display, or no sound from the audio system. You may also see a Network Loss message, Center Display Unit Stays On with Ignition Turned to OFF and Door Open, display switches between the Day Mode and Night Mode, the Drive mode not available message appears, or Disclaimer is stuck on. |
| B20-031 | 2021-02-26. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Service Bulletin - There is a popping or crackling from the speakers, a blank display, or no sound from the audio system. You may also see a Network Loss message, the center display staying on after turning the vehicle to the OFF mode with the door open, display switches between the Day Mode and Night Mode, the Drive mode not available message appears, or the disclaimer message stuck on. |
| BPaS02102021906 | 2021-02-18. Service bulletin. VISIBILITY. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2020 RDXs with a client complaint of a noise coming from the front windows when opening or closing. 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. |
| B20-031 | 2021-02-18. Service bulletin. EQUIPMENT. Service Bulletin - There is a popping or crackling from the speakers, a blank display, or no sound from the audio system. You may also see a Network Loss message, the center display staying on after turning the vehicle to the OFF mode with the door open, display switches between the Day Mode and Night Mode, the Drive mode not available message appears, or the disclaimer message stuck on. |
| B20-031 | 2021-02-10. Service bulletin. ELECTRICAL SYSTEM. Service Bulletin - There is a popping or crackling from the speakers, a blank display, or no sound from the audio system. You may also see a Network Loss message, the center display staying on after turning the vehicle to the OFF mode with the door open, or the disclaimer message stuck on. |
| BPaS01222021902 | 2021-01-30. Service bulletin. VISIBILITY. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2020 RDXs with a client complaint of a noise coming from the front windows when opening or closing. 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. |
| B21010C | 2021-01-30. Service bulletin. ELECTRICAL SYSTEM. ServiceNews Article - It has been found that when replacing the PCM/ECM, the Dynamic Drive mode images - normally displayed on the center display - no longer appear. In order to prevent this, make sure that the software version on the infotainment control unit reads D.1.5.1 or higher. If the version is not up to date, you must complete the update by using the OTA function or via USB. |
| BPaS01062021902 | 2021-01-14. Service bulletin. VISIBILITY; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2020 RDXs with a client complaint of a noise coming from the front windows when opening or closing. 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. |
| B20-053 | 2021-01-05. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Service Bulletin - The MIL is flashing with loss of power. Humid air within the intake tract may condense and accumulate excessive moisture during steady driving. |
| BPaS12052020903 | 2020-12-09. Service bulletin. VISIBILITY. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2020 RDXs with a client complaint of a noise coming from the front windows when opening or closing. 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. |
| BPaS11042020903 | 2020-11-11. Service bulletin. VISIBILITY. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2020 RDXs with a client complaint of a noise coming from the front windows when opening or closing. 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. |
| BPaS10162020904 | 2020-10-21. Service bulletin. VISIBILITY; VISIBILITY:POWER WINDOW DEVICES AND CONTROLS. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2020 RDXs with a client complaint of a noise coming from the front windows when opening or closing. 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. |
| BPaS10162020902 | 2020-10-21. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2020 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. |
| B20-046 | 2020-10-14. Service bulletin. EQUIPMENT. Service Bulletin - The Head Up Display (HUD) image appears blurry, faded, discolored, or distorted. |
| B20-031 | 2020-10-14. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Service Bulletin - There is a popping or crackling from the speakers, a blank display, or no sound from the audio system. You may also see a Network Loss message. |
| B19-053 | 2020-10-14. Service bulletin. SERVICE BRAKES, HYDRAULIC. Service Bulletin - The front and/or rear brakes make a high-pitched squeal when lightly applied at 15 mph or less. |
| BPaS09282020904 | 2020-10-03. Service bulletin. EQUIPMENT; VISIBILITY. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2020 RDXs with a client complaint of a noise coming from the front windows when opening or closing. 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. |
| BPaS09282020902 | 2020-10-03. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; SUSPENSION. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2020 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. |
| B20-031 | 2020-10-03. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM. Service Bulletin - There is a popping or crackling from the speakers, a blank display, or no sound from the audio system. You may also see a Network Loss message. |
| BPaS09102020902 | 2020-09-16. Service bulletin. SUSPENSION. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2020 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. |
| BPaS08242020902 | 2020-09-04. Service bulletin. SUSPENSION. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2020 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. |
| BPaS08122020 | 2020-08-19. Service bulletin. SUSPENSION; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2020 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. |
| BPaS08072020902 | 2020-08-14. Service bulletin. SUSPENSION. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2020 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. |
| BPaS07212020902 | 2020-07-28. Service bulletin. SUSPENSION. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2020 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. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.