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Service bulletins for the 2020 Honda Odyssey

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.

197 on file from NHTSA, as of 2026-10-19.

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

Bulletins, newest first
APOC051020239012023-05-23. Service bulletin. EQUIPMENT; STRUCTURE. Dealer Message - American Honda is requesting a parts inspection for only 76253-THR-A12 - MIRROR SET, L. Check your current inventory and return any inventory of these parts to American Honda immediately that are missing the 2 silver tabs/clips. They tabs/clips may be loose in the package.
ONL6GB012620222022-02-04. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Owner Notification Letter - On February 22, 2022, the 3G network will no longer support the in-vehicle services that previously were supported for your vehicle. The Telematics Control Unit (TCU) in your vehicle must be updated using the Over the Air (OTA) update to connect to the VoLTE network to continue communications. Honda strongly recommends updating your vehicle as soon as possible. After February 22, 2022, restoring services will require a customer pay TCU replacement performed by a service technician at an authorized dealer.
A22-0012022-01-19. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:INFOTAINMENT:BLUETOOTH/WIFI; COMMUNICATION:MANUFACTURER TELEMATICS. Service Bulletin - On February 22, 2022 the current 3G network that the vehicle connects to for services, will no longer be in-service. The Telematics Control Unit (TCU) Over the Air Update (OTA) is required to connect to the VoLTE network to continue communications.
AATS2111012021-11-24. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; VISIBILITY. Tech Line Summary Article - Customers are reporting the windows roll up partially but stop and roll back down when attempting to close the sliding door windows using the Auto-Up feature. An investigation of the complaint has identified a software compatibility issue between the window switch and window regulator. We are currently working on a fix, but there is currently no recommended repair. Until a repair is made available, advise the customer to close the window using manual operation by lightly pulling up on the switch until the desired position is reached. Also, they should avoid pulling up firmly on the switch to prevent activating automatic operation and the Auto-Up feature.
ATI&102020219032021-10-28. Service bulletin. EQUIPMENT:MECHANICAL; VISIBILITY. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022 Odysseys with a customer complaint of the auto-up feature failure of the rear sliding door window; the window goes up halfway and falsely reverse downward. 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.
AJA178812021-09-09. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Job Aid - This job aid contains information on the MOST Bus Network and troubleshooting information for common problems.
A21-0132021-07-21. Service bulletin. EQUIPMENT. Service Bulletin - A loose connection in the MOST bus network is causing a popping or crackling from the speakers or no sound from the audio system. There may also be a Network Loss message and/or display issues.
APOC051020212021-05-25. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS. Dealer Message - On February 18, 2021, American Honda announced a warranty extension for certain 2018-20 Odyssey, 2019-20 Passport, and 2019-20 Pilot vehicles. This warranty extension covers communication issues in the MOST bus network where the vehicle may have popping or crackling from the speakers, no sound from the audio system, a Network Loss message, or display issues.
APaS050320212021-05-13. Service bulletin. SERVICE BRAKES, HYDRAULIC; EQUIPMENT. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2020 Odysseys with a customer 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.
APaS033020219102021-04-05. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; FUEL SYSTEM, GASOLINE. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2020 Odysseys, Passports, Pilots & Ridgelines with a customer complaint of the Malfunction Indicator Light (MIL) on with the DTC P0441 (EVAP System Purge Flow Malfunction) stored. 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.
APaS021520219012021-02-26. Service bulletin. SERVICE BRAKES; EQUIPMENT. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2020 Accords, 2017-2020 CR-Vs & 2018-2020 Odysseys with a customer complaint of an unexpected CMBS operation or a brake application. 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.
ABOM021820212021-02-26. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Dealer Message - Today, February 18, 2021, American Honda is announcing a warranty extension for certain 2018-20 Odyssey, 2019-20 Passport, and 2019-20 Pilot vehicles. This warranty extension covers communication issues in the MOST bus network where the vehicle may have popping or crackling from the speakers, no sound from the audio system, a Network Loss message, or display issues. American Honda is extending the warranty for the MOST bus network connectors on these vehicles to 5 years or 60,000 miles from the original date of purchase, whichever comes first.
A21-0132021-02-26. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Service Bulletin - A loose connection in the MOST bus network is causing a popping or crackling from the speakers or no sound from the audio system. There may also be a Network Loss message and/or display issues.
A20-0492021-02-26. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM. Service Bulletin - There is a popping or crackling from the speakers or no sound from the audio system. You may also see a Network Loss message and/or display issues.
APaS012220219062021-01-30. Service bulletin. EQUIPMENT; SERVICE BRAKES, HYDRAULIC. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2020 Accords, 2017-2020 CR-Vs & 2018-2020 Odysseys with a customer complaint of an unexpected CMBS operation or a brake application. 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.
A21010C2021-01-30. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; ELECTRICAL SYSTEM. ServiceNews Article - We have received information from the vendor (Alpine) that display panels are being replaced for cracks on the center display screen. When they review these parts, they're finding that an aftermarket screen protector had been installed and that the screen protector is cracked. So, if you have a center display that appears to have a cracked screen, confirm that it does not have an aftermarket screen protector installed. If installed, remove it, and then check if the center display screen itself is cracked.
A07-0302021-01-30. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. "Service Bulletin - There are several A/C leak detection tools available. -Refrigerant Gas Leak Detector -Ultrasonic Leak Detector -Leak Dye"
APaS101620209022020-10-21. Service bulletin. SUSPENSION; EQUIPMENT ADAPTIVE/MOBILITY. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2020 Odysseys with a customer complaint of a noise while going over bumps or uneven road surfaces. The noise can be described as clunk, knock, click, or rattle. In addition, a creaking noise may be heard 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.
A20-0492020-10-21. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Service Bulletin - There is a popping or crackling from the speakers or no sound from the audio system. You may also see a Network Loss message.
APaS092820209092020-10-03. Service bulletin. SERVICE BRAKES, HYDRAULIC; EQUIPMENT. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2020 Accords, 2017-2020 CR-Vs & 2018-2020 Odysseys with a customer complaint of an unexpected CMBS operation or a brake application. 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.
APaS092820209022020-10-02. Service bulletin. SUSPENSION; EQUIPMENT. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2020 Odysseys with a customer complaint of a noise while going over bumps or uneven road surfaces. The noise can be described as clunk, knock, click, or rattle. In addition, a creaking noise may be heard 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.
ACGP092320202020-10-02. Service bulletin. BACK OVER PREVENTION; EQUIPMENT. Dealer Message - As of Wednesday, September 23, 2020 part 39530-THR-A23 related to Service Bulletins 20-050 "Noncompliance Recall: 2019 - 20 Odyssey Rearview Camera" and "Product Update: 2018 Odyssey Rearview Camera" is available via open ordering.
APaS091120202020-09-16. Service bulletin. EQUIPMENT. Dealer Message - As of Friday, September 11, 2020 all parts related to Service Bulletins 20-049 and 20-058 "Popping or Crackling from the Speakers; No Sound from the Audio System; Network Loss Message and/or Display Issues" are available via open ordering.
A20-0492020-08-05. Service bulletin. EQUIPMENT. Service Bulletin - There is a popping or crackling from the speakers or no sound from the audio system. You may also see a Network Loss message.
APaS070620209032020-07-16. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; SUSPENSION; EQUIPMENT. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2019-2020 Odysseys with a customer complaint of a noise while going over bumps or uneven road surfaces. The noise can be described as clunk, knock, click, or rattle. In addition, a creaking noise may be heard 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.

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