# P0503 on the 1997 Ford F\-250

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.

Nobody has written a description of this code yet.

## Bulletins for this model year that name P0503

- [601298](https://open.wenmarpro.com/bulletins/601298), 1998-07-20: THE MALFUNCTION INDICATOR LAMP \(MIL\) MAY ILLUMINATE AND DIAGNOSTIC TROUBLE CODE \(DTC\) P0503 MAY BE STORED IN MEMORY. \*YC