Service bulletins for the 2003 Cadillac CTS
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
506 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
| 020137003 | 2002-05-21. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. CUSTOMERS LIVING IN COLD CLIMATE AREAS MAY COMMENT ON THE FRONT PASSENGER FLOOR CARPET BEING WET OR WATER LEAKING FROM THE BOTTOM OF THE HVAC MODULE. *SLC |
|---|---|
| 020604013 | 2002-05-21. Service bulletin. UNKNOWN OR OTHER. SOME CUSTOMERS MAY COMMENT THAT THE MALFUNCTION INDICATOR LAMP IS ILLUMINATED. *SLC |
| 020866003 | 2002-05-21. Service bulletin. STRUCTURE:BODY. SOME CUSTOMERS MAY COMMENT THAT THE OIL CANNING/POPPING NOISE CAN BE HEARD COMING FROM THE REAR COMPARTMENT/TRUNK AREA. *SLC |
| 020604013 | 2002-05-21. Service bulletin. UNKNOWN OR OTHER. CUSTOMERS MAY COMMENT THAT THE MALFUNCTION INDICATOR LAMP IS ILLUMINATED. *SLC |
| 140202 | 2002-04-08. Service bulletin. UNKNOWN OR OTHER. INFORMATION REGARDING MALFUNCTION INDICATOR LAMP ILLUMINATION. *TT |
| 160102 | 2002-04-05. Service bulletin. SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DRUM. EXHIBITING REAR BRAKE SQUEAL DURING LIGHT BRAKE APPLICATIONS FOR CADILLAC CTS 2003 MODELS. *TT |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.