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Service bulletins for the 2018 Honda Accord

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.

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

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Bulletins, newest first
APaS090920199012019-09-18. Service bulletin. FUEL SYSTEM, GASOLINE. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2016-2019 Accords, Civics, CR-Vs, Odysseys, Pilots & Ridgelines with a customer complaint of fuel smell or leak from the fuel tank area. 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.
APaS082720199022019-09-06. Service bulletin. FUEL SYSTEM, GASOLINE. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018-2019 Accords with a customer complaint of the fuel lid inoperative or malfunctioning. 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.
APaS082720199012019-09-06. Service bulletin. FUEL SYSTEM, GASOLINE. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2016-2019 Accords, Civics, CR-Vs, Odysseys, Pilots & Ridgelines with a customer complaint of fuel smell or leak from the fuel tank area. 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.
A19-0832019-09-05. Service bulletin. EQUIPMENT. Service Bulletin - There is a rattle/squeak coming from the HUD area while driving.
APaS081420199012019-08-19. Service bulletin. SERVICE BRAKES, HYDRAULIC. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018-2019 Accord 1.5Ls with a customer complaint of pulsation in the brakes when applying brakes at highway speeds. 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.
A19-0832019-08-19. Service bulletin. EQUIPMENT; VISIBILITY. Service Bulletin - There is a rattle/squeak coming from the HUD area while driving.
APaS073020199042019-08-02. Service bulletin. SERVICE BRAKES, HYDRAULIC. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018-2019 Accord 1.5Ls with a customer complaint of pulsation in the brakes when applying brakes at highway speeds. 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.
A19-0832019-07-30. Service bulletin. VISIBILITY; STRUCTURE. Service Bulletin - There is a rattle/squeak coming from the HUD area while driving.
A19-0472019-07-26. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. Service Bulletin - The shift position indicator ("D" light) starts flashing due to DTC P2817, (Shift solenoid valve O/P [pressure control solenoid H] stuck off) being set. When the TCM checks the drive pulley oil pressure, it misreads the pressure as high even though oil pressure is within specification.
APaS070820199072019-07-23. Service bulletin. SERVICE BRAKES, HYDRAULIC. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018-2019 Accord 1.5Ls with a customer complaint of pulsation in the brakes when applying brakes at highway speeds. 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.
A19070D2019-07-19. Service bulletin. EQUIPMENT; EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM. ServiceNews Article - Do you hear a booming or rumbling through the speakers when the cabin temperature is 55 or lower? Does it go away once the cabin heats up? We're aware of this issue and have it under investigation. If you get a vehicle in for this, remove the covers in the headliner for the ANC microphones and check if the insulating foam is damaged or folded over as shown below. We've found this may be the reason for the noise. Replace the damaged foam and confirm the repair. If the repair is successful, provide feedback to Techline.
APaS062720192019-07-04. Service bulletin. SERVICE BRAKES, HYDRAULIC. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018-2019 Accord 1.5Ls with a customer complaint of pulsation in the brakes when applying brakes at highway speeds. 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.
APaS061020199012019-06-19. Service bulletin. SERVICE BRAKES, HYDRAULIC. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018-2019 Accord 1.5Ls with a customer complaint of pulsation in the brakes when applying brakes at highway speeds. 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.
AER19060B2019-06-19. Service bulletin. SERVICE BRAKES, HYDRAULIC. Engineering Request for Investigation - American Honda Motor Co., Inc. (AHM) is investigating certain 2018-2019 Accord 1.5Ls with a customer complaint of pulsation in the brakes when applying brakes at highway speeds. 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.
A19-0512019-05-15. Service bulletin. FORWARD COLLISION AVOIDANCE; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL. Service Bulletin - The adaptive cruise control (ACC) turns off unexpectedly while it is in use, and the Collision Mitigation Braking System problem. See Your Dealer. message appears on the MID.
A19-0472019-05-04. Service bulletin. POWER TRAIN. Service Bulletin - The shift position indicator ("D" light) starts flashing due to DTC P2817, (Shift solenoid valve O/P [pressure control solenoid H] stuck off) being set. When the TCM checks the drive pulley oil pressure, it misreads the pressure as high even though oil pressure is within specification.
A19-0442019-05-04. Service bulletin. EQUIPMENT; STRUCTURE; ELECTRICAL SYSTEM. Service Bulletin - The rear tray rattles when the audio unit bass is turned up. The rear tray may be warped in the back corners.
APaS041620199032019-04-23. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM. Dealer Message - American Honda Motor Co, Inc. (AHM) has been collecting batteries from certain models under certain conditions. If you have replaced an OEM battery on a qualified vehicle, please follow the procedure below.
APaS041620199022019-04-23. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Dealer Message - American Honda Motor Co., Inc. (AHM) is interested in collecting batteries from multiple models. If you have replaced an OEM battery on a qualified vehicle, please follow the procedure below.
APaS041620199012019-04-23. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM. Dealer Message - American Honda Motor Co., Inc. (AHM) is interested in collecting batteries from multiple models. If you have replaced an OEM battery on a qualified vehicle, please follow the procedure below.
ATS1904012019-04-21. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT; ELECTRICAL SYSTEM. Tech Line Summary Article - Do you hear a booming or rumbling through the speakers when the cabin temperature is 55F or lower? Does it go away once the cabin heats up? We're aware of this issue and have it under investigation. If you get a vehicle in for this, remove the covers in the headliner for the ANC microphones and check if the insulating foam is damaged or folded over as shown below. We've found this may be the reason for the noise.
6HB_ONL1-25-20192019-02-10. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. "Owner notification letter - On some 2018 Accord Hybrid vehicles, if an incorrect high voltage (HV) battery is installed the DTC P0A80 (Replace Hybrid Battery Pack) will be set. If the correct HV battery is subsequently installed, the DTC P0A80 cannot be cleared as required and may lead to a failed Inspection and Maintenance test. The new software version eliminates this issue."
APaS010220199012019-02-10. Service bulletin. ENGINE. Dealer message - American Honda (AHM) is investigating certain 2018 Accords & Civic Type-Rs with customer complaint of oil leak from the timing chain case cover. To fully 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.
ABOM121120189012018-12-30. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. "Dealer message - Today American Honda notified all dealers of an emissions recall on certain units of the 2018 Accord Hybrid for DTC P0A80: Replace HV Battery Pack where this code cannot be cleared. Refer to your eResponsibility report or do an iN VIN status inquiry to determine which units in your inventory are affected."
A18-1162018-12-30. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM. "Service bulletin - If an incorrect high voltage (HV) battery is installed, the DTC P0A80 (Replace Hybrid Battery Pack) will be set. If the correct HV battery is subsequently installed the Permanent DTC P0A80 cannot be cleared as required and may lead to a failed Inspection and Maintenance test. The new software version eliminates this issue."

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