C0550 on the 2004 Cadillac Escalade
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.
| 3187 | 2004-12-14. Service bulletin. INTERMITTENT SERVICE STABILITY MESSAGE DISPLAYED, HISTORY DIAGNOSTIC TROUBLE CODE C0550. *TT |
|---|---|
| 030525005 | 2003-12-04. Service bulletin. SERVICE STABILITY MESSAGE AND DIAGNOSTIC TROUBLE CODES (DTCS) C0455 OR C0550 SET. *TT GM ADMINISTRATIVE MESSATE. *TT |
2 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.