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Service bulletins for the 2018 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.

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

By type

By component

By trouble code

Only bulletins with component: 12-volt battery are shown. Show all

Bulletins, newest first
A19-0712019-07-11. Service bulletin. VEHICLE SPEED CONTROL; ELECTRICAL SYSTEM:12V/24V/48V BATTERY; POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Service Bulletin - Auto idle stop does not work. The PCM incorrectly calculates battery current, which prevents auto idle stop from working.
A18070E2018-08-06. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Servicenews article - There are two types of 12-volt batteries used in Honda vehicles today: the conventional flooded lead acid (FLA) battery and the absorbed glass mat (AGM) battery. Each battery type has its own uniquely tuned charging and battery management systems, therefore cannot be interchanged.
A18070E2018-07-30. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Servicenews article - There are two types of 12-volt batteries used in Honda vehicles today: the conventional flooded lead acid (FLA) battery and the absorbed glass mat (AGM) battery. Each battery type has its own uniquely tuned charging and battery management systems, therefore cannot be interchanged.

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