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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

Only bulletins with component: Software are shown. Show all

Bulletins, newest first
A21-0492021-05-25. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Service Bulletin - The MIL comes on with DTC P0236 (Turbocharger Boost Sensor Circuit Range/Performance Problem) stored.
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.