# P1456 on the 1999 Honda Prelude

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 P1456

- [636753](https://open.wenmarpro.com/bulletins/636753), 2002-11-13: INFORMATION ON TESTING FOR INTERAL LEAKS WITH DIAGNOSTIC TROUBLE CODE P1456 OR P1457. \*TT