2020 Honda Accord technical service bulletins

260 technical service bulletins and manufacturer communications cover the 2020 Honda Accord.

Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.

Oct 15, 2026 OtherOwner Notification Letter
Oct 1, 2026 Service bulletinTech Line Summary Article
Sep 25, 2026 Service bulletinUnder certain conditions, the cylinder head gasket effectiveness may be reduced which may
Sep 16, 2026 OtherDealer Message
Sep 10, 2026 OtherOwner Notification Letter
Aug 31, 2026 OtherTech Line Summary
Aug 26, 2026 Service bulletinUnder certain conditions, the cylinder head gasket effectiveness may be reduced which may
Aug 26, 2026 OtherDealer Message
Aug 21, 2026 OtherDealer Message
Aug 21, 2026 Service bulletinOn certain 2018-2022 Accord and 2018-22 Accord Hybrid vehicles equipped with the Wireless CarPlay and...
Jul 31, 2026 Service bulletinHonda has developed software updates to the Honda Sensing system to enhance driver experience by modifying...
Jul 24, 2026 OtherDealer Message
Jul 24, 2026 Service bulletinAmerican Honda has identified a condition that may affect Collision Mitigation Braking System (CMBS) operation
Dec 19, 2025 OtherDealer Message
Dec 19, 2025 Service bulletinTech Line Summary
Jul 29, 2025 Service bulletinOil leak at timing chain tensioner inspection cover due to possible insufficient sealant adhesion on...
Jun 6, 2025 OtherService News
May 2, 2025 OtherService News
Dec 3, 2024 OtherDealer Message
Nov 5, 2024 OtherDealer Message
Aug 16, 2024 OtherDealer Message
Aug 7, 2024 OtherDealer Message
Jul 23, 2024 OtherDealer Message
Jul 6, 2024 OtherDealer Message
Jun 4, 2024 OtherDealer Message
May 2, 2024 Service bulletinDuring engine start in cold conditions, a miscalculation in the PCM causes the air-fuel ratio to exceed...
Oct 25, 2023 Service bulletinThe ACC system error message comes on while driving when outside temperatures are low/near freezing due to...
Oct 17, 2023 Service bulletinService News
Sep 25, 2023 Service bulletinDealer Message
Sep 12, 2023 Service bulletinService News
Apr 17, 2023 Service bulletinDealer Message
Mar 31, 2023 Service bulletinDealer Message Request for Visit: 2018-2022 Accord & HR-V Front Damper Noise (ACTION REQUIRED)
Mar 28, 2023 Service bulletinDealer Message
Mar 14, 2023 Service bulletinUnder certain circumstances, the vehicle may experience driveability concerns
Feb 15, 2023 Service bulletinDealer Message
Dec 14, 2022 Service bulletinOur records indicate that an Emissions Recall has not been completed on this vehicle (Vehicle...
Dec 13, 2022 Service bulletinService News Article
Dec 13, 2022 Service bulletinDealer Message
Dec 13, 2022 Service bulletinDealer Message
Nov 28, 2022 Service bulletinDealer Message
Oct 6, 2022 Service bulletinDealer Message
Sep 30, 2022 Service bulletin(Repair Procedure Revision) Due to swelling of the fuel pump motor impeller, the fuel pump may seize and...
Aug 26, 2022 Service bulletinDealer message
Aug 23, 2022 Service bulletinOn February of 2022, the 3G network will no longer support the in-vehicle services that the vehicle has...
Aug 22, 2022 Service bulletinDealer message
Aug 16, 2022 Service bulletinDealer message
Jul 5, 2022 Service bulletinDealer message
Jun 6, 2022 Service bulletinNotice
May 31, 2022 Service bulletinBooming or rumbling through the speakers
May 6, 2022 Service bulletinDealer message
May 1, 2022 Service bulletinThere is a rattling coming from the front of the vehicle
Mar 4, 2022 Service bulletinServiceNews Article
Feb 28, 2022 Service bulletinDealer Message
Feb 11, 2022 Service bulletinDealer Message
Feb 8, 2022 Service bulletinDealer Message
Jan 29, 2022 Service bulletinServiceNews Article
Jan 12, 2022 Service bulletinDealer Message
Dec 23, 2021 Service bulletinIn February of 2022, the 3G network will no longer support the in-vehicle services that the vehicle has...
Dec 8, 2021 Service bulletinDealer Message
Dec 2, 2021 Service bulletinOwner Notification Letter
Nov 23, 2021 Service bulletinOwner Notification Letter
Nov 9, 2021 Service bulletinDealer Message
Oct 28, 2021 Service bulletin2020 Accord and Accord Hybrid Fuel Tank
Oct 28, 2021 Service bulletinDuring the manufacturing of certain fuel tanks, a protective layer was not properly applied
Oct 28, 2021 Service bulletinDealer Message
Oct 26, 2021 Service bulletinThe rear tray rattles when the audio unit bass is turned up.
Oct 26, 2021 Service bulletinThe MIL comes on with DTC P061B (PCM Internal Malfunction) is stored.
Oct 25, 2021 Service bulletinDealer Message
Sep 7, 2021 Service bulletinFuel system, gasoline
Sep 7, 2021 Service bulletinDealer Message
Aug 31, 2021 Service bulletinThe ACC system error message comes on while driving when outside temperatures are low/near freezing.
Aug 31, 2021 Service bulletinServiceNews Article
Aug 9, 2021 Service bulletinDealer Message
Aug 3, 2021 Service bulletinTech Line Summary Article
Jul 28, 2021 Service bulletinDealer Message
Jul 13, 2021 Service bulletinThe MIL is flashing with a loss of power.
Jul 7, 2021 Service bulletinDealer Message
Jul 6, 2021 Service bulletinOwner Notification Letter
Jun 24, 2021 Service bulletinServiceNews Article
Jun 3, 2021 Service bulletinThere is a rattling coming from the front of the vehicle.
May 28, 2021 Service bulletinAmerican Honda is extending the warranty on the A/C condenser to 10 years from the original date of...
May 28, 2021 Service bulletinDealer Message
May 18, 2021 Service bulletinThe MIL comes on with DTC P0236 (Turbocharger Boost Sensor Circuit Range/Performance Problem) stored.
Mar 12, 2021 Service bulletinFuel system, gasoline
Mar 12, 2021 Service bulletinDealer Message
Feb 15, 2021 Service bulletinDealer Message
Feb 15, 2021 Service bulletinDealer Message
Jan 19, 2021 Service bulletinServiceNews Article
Dec 18, 2020 Service bulletinThe windshield has a stress crack starting from the edge of the windshield.
Dec 5, 2020 Service bulletinDealer Message
Nov 4, 2020 Service bulletinDealer Message
Sep 28, 2020 Service bulletinDealer Message
Aug 31, 2020 Service bulletinThe audio unit does not respond when the phone button is pressed
Jul 21, 2020 Service bulletinDealer Message
Jul 6, 2020 Service bulletinDealer Message
Jul 6, 2020 Service bulletinDealer Message
Jul 6, 2020 Service bulletinDealer Message
Jul 6, 2020 Service bulletinDealer Message
May 11, 2020 Service bulletinVideo Message
May 2, 2020 Service bulletinDealer Message
Apr 16, 2020 Service bulletinDealer message
Apr 16, 2020 Service bulletinDealer message
Mar 27, 2020 Service bulletinServiceNews Article
Mar 3, 2020 Service bulletinDealer Message
Jan 27, 2020 Service bulletinDealer Message
Dec 20, 2019 Service bulletinThe audio unit does not respond when the audio unit phone button is pressed.

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