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Service bulletins for the 2003 Pontiac Bonneville

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.

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

By type

By component

By trouble code

Bulletins, newest first
0402320012005-03-11. Service bulletin. STEERING. RELEASE OF STEERING GEAR STUB SHAFT BEARING KIT FOR SERVICE. *TT UPDATED 08-15-07. *KB UPDATED 10/09/07. *NJ
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
040235004A2005-02-17. Service bulletin. STEERING. CLUNK NOISE FROM FRONT OF VEHICLE DURING TURNING MANEUVER/STEERING WHEEL ROTATION. THIS BULLETIN REPLACES 04-02-35-004. *EH
020730013D2005-02-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. INCORRECT TRANSMISSION SHIFTS POOR ENGINE PERFORMANCE HARSH 1-2 UPSHIFTS SLIPS 1ST AND REVERSE TORQUE CONVERTER CLUTCH STUCK OFF ON DIAGNOSTIC TROUBLE CODE P0730, P0756, P0757, P0741, P0742. *EH *TT
0406010212005-02-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. NEW REAR MAIN SEAL AND SPECIAL TOOL FOR INSTALLATION. *TT
32492005-01-28. Service bulletin. SUSPENSION. HIGH SPEED SHAKE OR VIBRATION. *EH
31022004-11-05. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN. SERVICE VME 01-04 VEHICLE EQUIPPED WITH 4T65E AUTOMATIC TRANSMISSION 4T65E TRANSMISSION VALVE BODY INSPECTION PROCEDURE. (TO INCLUDE 2004 PONTIAC AZTEC) *SC ALL 2001 - 2006 PASSENGER VEHICLES WITH 4T65E TRANSAXLE. *TT
30952004-11-04. Service bulletin. STRUCTURE. WATER LEAK ON THE LEFT FRONT OR REAR FLOOR. *SC
3125A2004-11-02. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). UNABLE TO CONTACT ONSTAR IN ALASKA *TC
3050A2004-10-13. Service bulletin. EQUIPMENT. 02-05 ONSTAR EQUIPPED VEHICLES EMITTING BEEPING NOISE BEFORE CONNECTING TO ONSTAR. *TT
091820022004-10-01. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SERVICE ENGINE SOON MESSAGE BEING DISPLAYED, ENGINE STUMBLES OR STALLING, OR A DIAGNOSTIC TROUBLE CODE P0440, FOR LARGE LEAK BEING SET AFTER FILLING THE VEHICLE WITH FUEL. THERE MAY ALSO BE DAMAGE TO THE FUEL TANKS, DAMAGE TO THE FUEL LEVEL VENT VALVES, OR THE EVAP CANISTER BEING FLOODED WITH RAW FUEL. *TT
091320022004-09-30. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. THIS SERVICE VME CONCERNS 2003 VEHICLES EQUIPPED WITH 4T65E TRANSMISSION WHICH EXHIBITS DIAGNOSTIC TROUBLE CODE P0742 WITH NO OTHER CODES STORED AND HARSH UP SHIFT AND/OR TCC SHUTTER ON DECEL. *TT
012320042004-09-10. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. TRANSMISSION FLUID LEAK FROM REVERSE SERVO COVER AT AMBIENT TEMPERATURES. TRANSMISSION FLUID MAY BE DETECTED ON THE LOWER PAIN RAIL OR CASE SIDE. MOST LEAK REPORTS HAVE BEEN FOUND DURING PREDELIVERY INSPECTION. GM VOICEMAIL EXPRESS. *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
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
30102004-08-24. Service bulletin. STEERING:COLUMN. STEERING CLUNK NOISE. *MJ
30072004-08-23. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 3.8L ENGINE OIL CONSUMPTION. *TT
040235004D2004-08-13. Service bulletin. STEERING. CLUNK NOISE FROM FRONT OF VEHICLE DURING TURNING MANEUVER/STEERING WHEEL ROTATION. *TT *NM
0406010172004-08-02. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. NEW UPPER INTAKE MANIFOLD AND GASKET KITS. *TT
013532004-07-16. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE MISFIRE DUE TO INJECTOR FRETTING CORROSION. *TT
021182004-06-23. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR. DRONING SOUND FROM HVAC BLOWER SYSTEM. SERVICE VME. *MJ
0301042004-06-16. Service bulletin. STEERING. CLUNK NOISE COMING FROM THE FRONT OF THE VEHICLE DURING TURNING MANEUVERS. *TT
00372D2004-06-09. Service bulletin. EQUIPMENT:ELECTRICAL. ONSTAR SYSTEM IS ATTEMPTING AND/OR COMPLETING PHONE CALLS WHICH THE OPERATOR OF THE VEHICLE DID NOT INITIATE. *TT
016622004-06-04. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. XM ERROR ON A RADIO DISPLAY. *TT

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