# P1491 on the 1996 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.

## Bulletins for this model year that name P1491

- [608022](https://open.wenmarpro.com/bulletins/608022), 1999-10-28: INFORMATION ON TROUBLESHOOTING EXHAUST GAS RECIRCULATION \(EGR\) DIAGNOSTIC TROUBLE CODES \(DTC\) P0401 AND P1491. \*TT