C0455 on the 2003 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.
| 030525005 | 2003-12-04. Service bulletin. SERVICE STABILITY MESSAGE AND DIAGNOSTIC TROUBLE CODES (DTCS) C0455 OR C0550 SET. *TT GM ADMINISTRATIVE MESSATE. *TT |
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| 061703 | 2003-10-29. Service bulletin. THE SERVICE STABILITY MESSAGE ON THE DIC AND A CODE C0455 DIAGNOSTIC TROUBLE CODE SET AND/OR THEY HAVE A BREAK IN ANTI-LOCK BRAKE SYSTEM (ABS) TELLTALE WITH CHIMING IN COLD WEATHER WITH NO CODE SET. *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.