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: Heating and air conditioning are shown. Show all
| A07-030 | 2021-01-30. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. "Service Bulletin - There are several A/C leak detection tools available. -Refrigerant Gas Leak Detector -Ultrasonic Leak Detector -Leak Dye" |
|---|---|
| A17-090 | 2019-09-11. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. Service Bulletin - Under certain conditions, the rear window switch internal software enters an unstable condition and cannot recover, making the window switch inoperable. |
| A19-023 | 2019-08-02. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; ENGINE AND ENGINE COOLING. Service Bulletin - There is a high-pitched noise coming from the heater case while the fan is on. |
| A19-023 | 2019-04-21. Service bulletin. EQUIPMENT; EQUIPMENT:APPLIANCE:AIR CONDITIONER. Service Bulletin - There is a high-pitched noise coming from the heater case while the fan is on. Some vehicles might have a defective rear blower motor or could have a heater case that was warped during the manufacturing cooling process. |
| A19-022 | 2019-02-26. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. Service Bulletin - When raising the fan speed and/or temperature at the rear climate control panel, the rear fan control and/or rear temperature control button may be hard to press or not work. |
| APaS11262018903 | 2018-12-07. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018 Odysseys with a customer complaint of a high-pitched noise coming from the heater case when heater fan is on. To fully understand the cause of this condition, AHM would like to collect specific information from the vehicle prior to you attempting a repair of any kind. |
| APaS11132018902 | 2018-11-30. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018 Odysseys with a customer complaint of a high-pitched noise coming from the heater case when heater fan is on. To fully understand the cause of this condition, AHM would like to collect specific information from the vehicle prior to you attempting a repair of any kind. |
| AER18110A | 2018-11-30. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; EQUIPMENT. Engineering request for investigation - American Honda Motor Co., Inc. (AHM) is investigating certain 2018 Odysseys with a customer complaint of a highpitched noise coming from the heater case when heater fan is on. To fully understand the cause of this condition, AHM would like to collect specific information 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.