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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

Bulletins, newest first
1906022002-11-21. Service bulletin. EQUIPMENT:ELECTRICAL. THIS MESSAGE CONCERNS THE INABILITY TO PROGRAM THE GARAGE DOOR OPENERS. *TT
1706022002-11-21. Service bulletin. EQUIPMENT. INFORMATION ON THE DEALER INSTALLED SMOKER'S PACKAGE CONSISTING OF AN ASHTRAY FOR THE CENTER STACK, A REAR CENTER CONSOLE ASHTRAY AND DOOR, TWO LIGHTERS AND TWO LIGHTER HOUSINGS. *TT
1006022002-11-21. Service bulletin. UNKNOWN OR OTHER. INFORMATION REGARDING THE JUNE EDITION OF EMERGING ISSUES FOR VARIOUS MODELS. *TT
1006022002-11-21. Service bulletin. UNKNOWN OR OTHER. SUBJECT REGARDNG WATER LEAK EMERGING ISSUES. *TT
0528022002-11-13. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). CUSTOMERS MAY COMMENT ON THE VOLUME EITHER BEING TOO LOW OR TOO HIGH WHEN MAKING AN ONSTAR CALL. *TT
0508022002-11-12. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. THIS MESSAGE CONCERNS VEHICLES WITH THE MANUAL TRANSMISSION AND A CONCERN WITH A RATTLE OR FLUTTERING NOISE WHILE DRIVING IN FIFTH GEAR. *TT
0501022002-11-10. Service bulletin. EXTERIOR LIGHTING. SUBJECT REGARDING MAP LIGHT BULB REPLACEMENT. *TT
0416022002-11-10. Service bulletin. UNKNOWN OR OTHER. SOME CUSTOMERS MAY EXPERIENCE AN SERVICE ENGINE SOON LIGHT WITH THE DIAGNOSTIC TROUBLE CODE P0128 SET. *TT
0416022002-11-10. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. AN ABNORMAL LOUDER UPPER ENGINE LIFTER TICK NOISE. *TT
0416022002-11-09. Service bulletin. STRUCTURE. INFORMATION ON WATER LEAKS. *TT
0404022002-11-09. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. CONCERNS ABOUT ABNORMAL UPPER ENGINE LIFTER TICK NOISE. *TT
0404022002-11-09. Service bulletin. UNKNOWN OR OTHER. SERVICE ENGINGE SOON LIGHT WITH DIAGNOSTIC TROUBLE CODE P0128 SET. *TT
0207300262002-10-10. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. CONCERNS WITH LAUNCH SHUDDER FELT ON HARD ACCELERATION. *TT
0207290062002-10-10. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. SOME CUSTOMERS MAY COMMENT THAT A FLUTTERING OR WIND NOISE IS HEARD WHILE DRIVING IN 5TH GEAR ABOVE 40 MPH. *TT
0207290072002-10-10. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SUBJECT REGARDING REVISED TRANSMISSION REPLACEMENT PROCEDURE AND FASTENER TIGHTENING SPECIFICATIONS. *TT
0205250042002-10-09. Service bulletin. ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC). SOME CUSTOMER MAY COMMENT ABOUT THE APPEARANCE OF THE SERVICE STABILITY SYSTEM MESSAGE ON THE DRIVER INFORMATION CENTER (DIC) WITH DIAGNOSTIC TROUBLE CODE C1286 SET. *TT
0206010172002-10-09. Service bulletin. STRUCTURE:BODY. SOME CUSTOMERS MAY COMMENT ON A HOLLOW VIBRATING / REVERBERATING BUMP OR THUMP TYPE NOISE COMING FROM THE FRONT UNDERBODY AREA. *TT
0208440082002-10-04. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. SUBJECT REGARDING VOICE RECOGNITION SYSTEM ON UPLEVEL RADIO NOT FUNCTIONING PROPERLY IN COLD WEATHER. *TT
0208630012002-10-03. Service bulletin. STRUCTURE:BODY:HOOD. SUBJECT REGARDING RECOMMENDED CLEANING PROCEDURE FOR RESIDUE OR WATER MARKS ON HOOD INSULATOR. *TT
0208570052002-10-03. Service bulletin. STRUCTURE:BODY. THIS BULLETIN CONTAINS REPAIR INFORMATION REGARDING WATERLEAKS OR MUSTY ODOR IN THE LH AND / OR RH REARPASSENGER FLOOR CARPET OR FOOT WELL AREA. *TT
0208520042002-09-28. Service bulletin. UNKNOWN OR OTHER. REMOTE KEYLESS ENTRY WILL NOT FUNCTION UNLESS THEY ARE CLOSE TO THE VEHICLE. *TT
020342002-09-28. Service bulletin. ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC). VEHICLE STABILITY ENHANCEMENT SYSTEM (VSES) PUMP ASSEMBLY MISBUILD. *TT
020342002-09-28. Service bulletin. ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC). VEHICLE STABILITY ENHANCEMENT SYSTEM (VSES) PUMP ASSEMBLY BUILD. *TT
0207300122002-07-12. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. INFORMATION ON THE HYDRA-MATIC 5L40E TRANSMISSION. *TT
0207300022002-06-20. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION; POWER TRAIN:AUTOMATIC TRANSMISSION. INFORMATION ON 5L40E AUTOMATIC TRANSMISSION OPERATING CHARACTERISTICS. *SLC *AR

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.