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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.

By type

By component

By trouble code

Bulletins, newest first
APaS112620189022018-12-07. 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.
AER18100A2018-12-04. Service bulletin. ENGINE. Engineering request for investigation - 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.
APaS111320189012018-11-30. 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.
APaS102620189012018-11-13. Service bulletin. ENGINE AND ENGINE COOLING. 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.
A18-1172018-10-22. Service bulletin. LANE DEPARTURE: BLIND SPOT DETECTION. Servicenews article - Have you replaced the BSI radar unit and see these DTC's? ? B18DA (L/S different s/w version from right) ? B1EDA (R/S different s/w version from left)
A18-0852018-09-24. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Service bulletin - The FM audio cuts out when using the right turn signal. There is electrical interference in the tuner feed harness.
A18080E2018-09-17. Service bulletin. EQUIPMENT. Servicenews article - If you're having trouble aligning the front millimeter wave radar, or if DTC P2583-76 is present and does not clear after re-aiming, inspect the radar mounting clips and bracket. Check that the mounting bracket is not bent or out of shape. Check if the radar unit for play by trying to twist it. If there is play, remove the radar unit and check each mounting clip for damage. Replace all clips that have damage or missing tabs.
ATS1808012018-09-04. Service bulletin. FUEL SYSTEM, GASOLINE. Tech line summary article - We're currently looking at an issue where the fuel fill door won't open. Until we come up with a permanent solution, if you get a vehicle in for this issue, for now, replace the fuel fill door lock actuator.
A18080C2018-09-04. Service bulletin. ELECTRICAL SYSTEM. Servicenews article - If the Display Audio screen goes blank after not touching it for 30 seconds, it's because your customer has gained access to the audio unit's Developer Mode and made changes to the system. There are websites that show you how to do this, but be aware we don't support this kind of activity.
A18-0412018-07-02. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR; STRUCTURE. Service bulletin - A buzzing is heard from the driver's and/or passenger's door mirror area while driving. The rubber seal at the base of the door mirror is not secured.
ATS 1804032018-05-14. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. Tech line summary article - Are you hearing a rubbing or rattling from the HUD area? We're aware of this issue and have it under investigation.
A18030C2018-04-16. Service bulletin. EQUIPMENT:ELECTRICAL. Servicenews article - We?re currently looking at an issue that when plugging an iPhone into the USB port, Apple CarPlay won?t start and the messsage Unable to start Apple CarPlay.
ATS1801052018-03-05. Service bulletin. ELECTRICAL SYSTEM:WIRING. Tech line summary article - We?re currently looking at an issue where the audio system cuts out when using the right turn signal while playing FM radio.
APaS021420189012018-02-26. Service bulletin. VEHICLE SPEED CONTROL:ACCELERATOR PEDAL. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018 Accord 2.0 Turbos with a customer complaint of delay in acceleration and MIL on. 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.
APaS020120189012018-02-21. Service bulletin. EQUIPMENT. Dealer message - A few months ago AH provide details on the information sticker for the front license bracket. This sticker warns customers not to use accessory brackets that may block the radar.
ATS1711042017-12-08. Service bulletin. SERVICE BRAKES. Tech line summary article - We?re currently looking at an issue where the vehicle shudders or jerks and various indicators come on. What?s particularly noticeable is the CMBS indicator comes on with Collision Mitigation Braking System Problem. See Your Dealer. in the driver information interface.
A15060D2017-08-25. Service bulletin. STEERING: STEERING WHEEL/HANDLE BAR; STEERING. Service news article - To prevent damage during shipping, leather-wrapped steering wheels come with a protective plastic covering. The easiest way to remove it during PDI is to grab the covering with both hands near the top of the steering wheel and pull it toward you, like you see here. The covering comes right off.

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