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Service bulletins for the 2003 Cadillac Deville

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.

477 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Bulletins, newest first
110620032005-04-11. Service bulletin. SERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR. WHEEL SPEED SENSOR. *EH
100820022005-04-08. Service bulletin. UNKNOWN OR OTHER. IDL EMERGING ISSUES BROADCAST COVERING TOPICS SUCH AS THE ONSTAR, CALIFORNIA EMISSIONS, AN OVERVIEW OF THE EVAP OPERATION, WIRING ISSUES FOR THE SEATS, AND SHUTTER DURING PARKING LOT MANEUVERS. *TT
0401390042005-03-09. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. HVAC CONTROL MODULE LENS SCRATCHED. *TT
0406040222005-03-08. Service bulletin. ENGINE AND ENGINE COOLING. POWERTRAIN CONTROL MODULE WILL NOT PROPERLY COMMUNICATE ON BOARD DIAGNOSTIC OXYGEN SENSOR TEST INFORMATION TO NON-TECH2 SERVICE OR TEST EQUIPMENT. *EH
0302360022005-03-08. Service bulletin. STEERING. REVISED STEERING WHEEL POSITION SENSOR OR STEERING SHAFT LOWER BEARING REPLACEMENT PROCEDURE AND STEERING WHEEL POSITION SENSOR CENTERING PROCEDURE. *EH
32492005-01-28. Service bulletin. SUSPENSION. HIGH SPEED SHAKE OR VIBRATION. *EH
0407300342005-01-11. Service bulletin. POWER TRAIN. SERVICE ENGINE SOON (SES) LIGHT ON, DIAGNOSTIC TROUBLE CODE (DTC) P0741, TORQUE CONVERTER CLUTCH (TCC) EXCESSIVE SLIP, TRANSAXLE CHUGGLE, SLIP/SURGE. *TT
04081100012005-01-04. Service bulletin. STRUCTURE:BODY. REAR DOOR ASH TRAY DOOR WILL NOT CLOSE. *TT
0403090012005-01-03. Service bulletin. SUSPENSION. SERVICEABILITY OF REAR SHOCK ABSORBER - UPPER RUBBER MOUNT. *TT
30442004-11-17. Service bulletin. EQUIPMENT. GENERATION 5 ONSTAR STEERING WHEEL CONTROL FUNCTION. *TT
30362004-10-14. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. NORTHSTAR UPDATED CRANKSHAFT SENSORS. *TT
30352004-10-14. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SERVICE ENGINE SOON (SES) LIGHT ON, SES LIGHT ON AND CHUGGLE OR SURGE. DIAGNOSTIC TROUBLE CODE P0741 (TCC STUCK OFF). *TT
3050A2004-10-13. Service bulletin. EQUIPMENT. 02-05 ONSTAR EQUIPPED VEHICLES EMITTING BEEPING NOISE BEFORE CONNECTING TO ONSTAR. *TT
30592004-10-08. Service bulletin. EQUIPMENT. WHEN USING ONSTAR PERSONAL CALLING FEATURE, THE CALLER CANNOT BE HEARD ON OUTBOUND CALL ONLY. *TT
103020022004-10-07. Service bulletin. SEAT BELTS. ADJUSTABLE SHOULDER BELT TOWER ELIMINATION. *TT
103020022004-10-07. Service bulletin. EQUIPMENT. REAR CIGARETTE LIGHTERS DISCONTINUED. *TT
091820022004-10-01. Service bulletin. ELECTRICAL SYSTEM. POOR GROUNDS AT EITHER END OF THE GROUND STRAP FROM THE FRAME TO THE ALTERNATOR MAY BE THE CAUSE OF NO CRANK AND NO START CONDITIONS AND ARE PROBABLY ACCOMPANIED BY SEVERAL U DIAGNOSTIC TROUBLE CODES. *TT
30112004-08-25. Service bulletin. EQUIPMENT. WHEN USING VOICE RECOGNITION DIALING, SOME NUMBERS OR COMMANDS MAY NOT BE UNDERSTOOD BY THE SYSTEM ESPECIALLY THE NUMBER TWO (2). *TT
30152004-08-25. Service bulletin. ELECTRICAL SYSTEM. MULTIPLE STABILITRAK/PRECISION CONTROL CODES SUCH AS C1282, C1283, C1284, C1285, C1287, AND C1288 EXIST ON DELPHI BOSCH 5.0 OR 5.3 SYSTEMS. *TT
30132004-08-25. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). C1298 IN EBTCM AND UI040 IN POWERTRAIN CONTROL MODULE (PCM), DURING KEY POWER MODE CHANGES. *MJ
021412004-08-25. Service bulletin. SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT. REPEAT ANTI-LOCK BRAKE SYSTEM (ABS) LIGHT WITH DIAGNOSTIC TROUBLE CODE (DTC) C1225. VARIOUS MODELS INCLUDING 2005 CADILLAC DEVILLE. *TT
0408580032004-08-17. Service bulletin. SUSPENSION:REAR. WINDNOISE AT RIGHT REAR DOOR (ADJUST DIVISION POST). *MJ
0403160012004-08-13. Service bulletin. SUSPENSION. TIRE PRESSURE MESSAGE DISPLAYED ON DIC. *TT
112720022004-08-10. Service bulletin. ELECTRICAL SYSTEM. AUTO TRANSMISSION DIAGNOSTIC TROUBLE CODE P0503, VEHICLE SPEED SENSOR CIRCUIT INTERMITTENT. *TT
00974A2004-07-13. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. CD CHANGER INOPERATIVE - ICON DISAPPEARS FROM RADIO DISPLAY. *TT

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