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. Its meaning is in the manufacturer's service information.
| 0258 | 2002-11-04. Service bulletin. INOPERATIVE OR INACURRATE SPEEDOMETER, 4X4 LAMP ILLUMINATD, AND / OR DIAGNOSTIC TROUBLE CODE P1635 OR P1639. *TT |
|---|---|
| 14741 | 2001-08-10. Service bulletin. MALFUNCTION INDICATOR LAMP ON WITH DIAGNOSTIC TROUBLE CODE P1633 AND / OR P1639 WITH NO DRIVEABILITY CONCERN PRESENT. *TT |
| 14741 | 2001-06-01. Service bulletin. MALFUNCTION INDICATOR LAMP ON WITH DIAGNOSTIC TROUBLE CODE P1633 AND / OR P1639 WITH NO DRIVEABILITY CONCERN PRESENT. *TT |
3 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.