# P1639 on the 2002 Ford Explorer

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 P1639

- [636052](https://open.wenmarpro.com/bulletins/636052), 2002-11-04: INOPERATIVE OR INACURRATE SPEEDOMETER, 4X4 LAMP ILLUMINATD, AND / OR DIAGNOSTIC TROUBLE CODE P1635 OR P1639. \*TT
- [620486](https://open.wenmarpro.com/bulletins/620486), 2001-08-10: MALFUNCTION INDICATOR LAMP ON WITH DIAGNOSTIC TROUBLE CODE P1633 AND / OR P1639 WITH NO DRIVEABILITY CONCERN PRESENT. \*TT
- [619479](https://open.wenmarpro.com/bulletins/619479), 2001-06-01: MALFUNCTION INDICATOR LAMP ON WITH DIAGNOSTIC TROUBLE CODE P1633 AND / OR P1639 WITH NO DRIVEABILITY CONCERN PRESENT. \*TT