WenmarOpen by Wenmar Pro

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

Bulletins, newest first
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.
A18070D2018-07-30. Service bulletin. ENGINE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Servicenews article - Until recently, Tech Line had only two categories for auto idle stop system issues. That made it hard for our engineering staff to understand what was specifically inhibiting the system. To help with this, Tech Line has added more categories to match what's listed in the service information. As a result, when calling them for an auto idle stop issue, you must now send a snapshot. Tech Line needs it for troubleshooting and won't be able to help unless you do.
ATS1807012018-07-16. Service bulletin. STRUCTURE:BODY:DOOR. Tech line summary article - We're currently looking at complaints that the power sliding doors won't latch when closed. When this happens, the Door Open message appears on the driver information interface, there's a constant beeping while driving, and the rear edge of the door sticks out.
ATS 1805012018-07-16. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; EQUIPMENT:ELECTRICAL. Tech line summary article - Are you hearing a rumbling from the driver's door speaker that sounds like driving on a shoulder rumble strip? We're aware of this issue and have it under investigation.
APaS051020189022018-07-16. Service bulletin. ELECTRICAL SYSTEM:STARTER ASSEMBLY. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018 Odysseys & Pilots with a customer complaint of the auto idle stop inoperative. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
A18-0182018-07-16. Service bulletin. FUEL SYSTEM, GASOLINE. Service bulletin - The customer is unable to insert the fuel nozzle into the filler neck and fuel the vehicle in cold weather. Water or moisture has entered the fueling area and frozen the capless fuel shutter set in the fuel filler neck.
APaS053120189042018-06-11. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018 Odysseys & Pilots with a customer complaint of the auto idle stop inoperative. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
APaS042420189012018-05-14. Service bulletin. ENGINE. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018 Odysseys & Pilots with a customer complaint of the auto idle stop inoperative. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
APaS042320189032018-05-14. Service bulletin. STRUCTURE:BODY:DOOR. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018 Odysseys with a customer complaint of the sliding door reversal during closing operation. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
A16-0132018-05-14. Service bulletin. ENGINE; FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP. Service bulletin - There is a chirping coming from the engine area with the engine warmed up. The high pressure fuel pump is making a chirp.
Customer Letter2018-04-23. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). Customer letter - Your navigation application on your 2018 Odyssey may slow down when off-road cumulative driving (such as parking lots, gated communities, private roads) is extensive. Map scrolling and search operation may be delayed or appear not to work.
APaS040620189042018-04-23. Service bulletin. ELECTRICAL SYSTEM. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018 Odysseys with a customer complaint of the sliding door reversal during closing operation. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
APaS040620189022018-04-23. Service bulletin. FUEL SYSTEM, GASOLINE. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018 Odysseys with a customer complaint of the fuel lid not opening when pushed. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
6WG 3-30-20182018-04-16. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Customer letter - Your 2018 Odyssey has a new feature that lets them automatically download the latest connectivity (navigation, and rear entertainment) software when located in a Honda dealer?s service area. This lets you receive the latest updates and fixes for known problems. Your 2018 Odyssey does not meet the design specifications, and you may not be able to receive the latest software. In addition, the vehicle?s navigation application may slow down when cumulative off-road driving (parking lots, gated communities, private roads) is done. Map scrolling and search operation may be delayed or appear not to work.
6WF 3-30-20182018-04-16. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Customer letter - Your 2018 Odyssey has a new feature that lets them automatically download the latest connectivity (navigation, rear entertainment) software when located in a Honda dealer?s service area. This lets you receive the latest updates and fixes. Your Odyssey does not meet the design specifications and you may not be able to receive the latest software.
APaS032620189022018-04-16. Service bulletin. ELECTRICAL SYSTEM; LATCHES/LOCKS/LINKAGES:DOORS:LATCH. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018 Odysseys with a customer complaint of the sliding door reversal during closing operation. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
APaS032020189042018-04-16. Service bulletin. ENGINE AND ENGINE COOLING. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018 Odysseys with a customer complaint of the fuel lid not opening when pushed. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
APaS032020189012018-04-16. Service bulletin. VEHICLE SPEED CONTROL; ENGINE AND ENGINE COOLING. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018 Odysseys with a customer complaint of the sliding door reversal during closing operation. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
ATS1803082018-04-16. Service bulletin. EQUIPMENT:ELECTRICAL. Tech line summary article - If you get a vehicle with Error Code 9003 Unable to Update on the Display Audio, it means there?s a problem doing an over-the-air (OTA) update. We?re aware of this issue, and we?re looking for a solution.
ABOM030620189012018-04-16. Service bulletin. EQUIPMENT:ELECTRICAL. Dealer message - Due to faulty software installed in the affected vehicles, the DA unit cannot connect to the OTA while in the dealership to receive software updates. Some vehicles can connect to the OTA but need an update to the navigation system. The navigation system in these vehicles saves driving history, which leads to the system becoming either slow or unresponsive. A third group of vehicles are affected by both symptoms, leading to the final campaign.
A18-0092018-04-16. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). Service bulletin - Affected vehicles have a new feature that lets them automatically download the latest audio and connectivity (audio, navigation, rear entertainment) software when located in a Honda dealer's service area. This lets the vehicle receive the latest updates and fixes. The affected vehicles do not meet the design specifications, and you may not be able to receive the latest software at a Honda dealer.
A18-0082018-04-16. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). Service bulletin - The navigation application may slow down when extensive cumulative driving (such as parking lots, gated communities, private roads) is done. Map scrolling and search operation may be delayed or appear not to work.
A18-0072018-04-16. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Service bulletin - A new feature lets the vehicle automatically download the latest audio and connectivity (audio, navigation, and rear entertainment) software when located in a Honda dealer's service area. This lets the vehicle receive the latest updates and fixes for known problems. Affected vehicles do not meet the design specifications, and you may not be able to receive the latest software at a Honda dealer. In addition, the vehicle's navigation application may slow down when cumulative off-road driving (parking lots, gated communities, private roads) is done. Map scrolling and search operation may be delayed or appear not to work.
ATS1802062018-03-12. Service bulletin. ELECTRICAL SYSTEM. Tech line summary article - Until recently, Tech Line had only two categories for auto idle stop system issues. That made it hard for our engineering staff to understand what was specifically inhibiting the system. To help with this, Tech Line has added more categories to match what?s listed in the service information. As a result, when calling them for an auto idle stop issue, you must now send a snapshot. Tech Line needs it for troubleshooting and won?t be able to help unless you do.
APaS012420189012018-03-05. Service bulletin. SERVICE BRAKES. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018 Odysseys with a customer complaint of either a front brake noise or a rear brake noise. 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.

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