P0638 on the 2003 Saab 9-3
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.
| 2482423 | 2004-03-17. Service bulletin. DIAGNOSTIC TROUBLE CODE P0638 AND/OR P1682, DISLOGED PINS IN H42-2. *TT |
|---|
1 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.