U1291 on the 2018 Honda Odyssey
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.
| A17050D | 2017-07-31. Service bulletin. Service news article - On early production vehicles, when the factory removed the No. 18 BACKUP (10 A) fuse for shipping, DTC U1291-00 (lost communication with the relay control module) was falsely set. This DTC doesn't cause any indicators to come on, but it will show up the first time you run an all DTC check with the i-HDS. |
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1 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.