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Service bulletins for the 2000 Buick Century

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.

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

By type

By component

By trouble code

Bulletins, newest first
08-089B2008-12-19. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. BUICK CHEVROLET GMC SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. SPECIAL COVERAGE ADJUSTMENT-ANALOG ONSTAR DEACTIVATION. CSC LETTER WAS RECEIVED. *PE
08-0892008-11-15. Service bulletin. EQUIPMENT:ELECTRICAL. BUICK CADILLAC CHEVROLET GMC HUMMER OLDSMOBILE PONTIAC SAAB SATURN SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. SPECIAL COVERAGE ADJUSTMENT-ANALOG ONSTAR DEACTIVATION. FCC RULED IN 2002 WIRELESS CARRIERS WOULD NO LONGER RE REQUIRED TO SUPPORT ANALOG WIRELESS NETWORK STARTING IN 2008. *PE CSC LETTER WAS RECEIVED. UPDATED 12/1/08. *PE
46152007-10-31. Service bulletin. SERVICE BRAKES, AIR. ABS PUMP RUNNING WHEN NOT NEEDED. *NJ
45112007-06-27. Service bulletin. SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT. ABS INDICATOR ON INTERMITTENTLY. *KB
35002006-02-23. Service bulletin. SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT. ABS LIGHT ON AND POSSIBLE DIAGNOSTIC TROUBLE CODES. *AK
7092005-12-16. Service bulletin. SUSPENSION. TIE ROD SPECIFICATIONS REVISED. GM TECH LINK. *TT
0506040582005-11-11. Service bulletin. VEHICLE SPEED CONTROL. INTERMITTENT CHUGGLE OR FISHBITE ON LIGHT ACCELERATION OR A HIGHWAY SPEEDS WITH NO DIAGNOSTIC TROUBLE CODES (DTCS). *TT
0502320032005-11-09. Service bulletin. STEERING. REVISED OUTER TIE ROD END NUT TIGHTENING SPECIFICATION/TIE ROD END JAM NUT TIGHTENING SPECIFICATION ADDED. *TT
35002005-11-01. Service bulletin. SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT. ABS LIGHT COMING ON AND CODES C1225, C1226, C1232, C1233, C1276 AND/OR C1277 ARE FOUND IN THE EBCM. *TT
572005-09-13. Service bulletin. ELECTRICAL SYSTEM:WIRING. WIRE HARNESS MAY BE STRETCHED, OR THE PCS MAY NOT BE ORIENTED IN THE SAME POSITION, AFTER INSTALLING A SERVICE REPLACEMENT VALVE BODY ASSEMBLY. GM TECH LINK. *TT
0406020072005-01-11. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. LOW ENGINE COOLANT LEVEL INDICATOR ALWAYS ON. *TT
31802004-12-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. DEALERS MAY COMMENT ON A CHUGGLE, SURGE, MISFIRE CONDITION. *TT
30972004-11-05. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. HVAC SIDE TO SIDE TEMPERATURE DIFFERENCE. *SC
31292004-11-03. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. A/C EVAPORATOR FREEZING. *TC
3125A2004-11-02. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). UNABLE TO CONTACT ONSTAR IN ALASKA *TC
30472004-10-08. Service bulletin. EQUIPMENT. 99 THROUGH 05 YEAR VEHICLES, EQUIPPED WITH THREE-BUTTON ONSTAR SYSTEMS. *TT
041420042004-09-17. Service bulletin. ELECTRICAL SYSTEM. WITH THE AC ON, LED APPEARS TO TOGGLE ON AND BACK OFF IN ONE UNIQUE CONDITION. THIS CONDITION IS THE HEADLAMPS ARE ON, INSTRUMENT PANEL LAMPS ARE DIMMED TO THE LOWEST EXTREME, DAYTIME CONDITIONS AND THE REAR DEFOG BUTTON IS TURNED ON AND OFF OR ALLOWED TIME TO TIMEOUT. ENGINEERING INVESTIGATED HAS DETERMINED THE CONDITION IS NORMAL. *TT
013532004-07-16. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE MISFIRE DUE TO INJECTOR FRETTING CORROSION. *TT
005792004-06-29. Service bulletin. ELECTRICAL SYSTEM. DIAGNOSTIC TROUBLE CODE B 1001 IN BCM AND/OR POWERTRAIN CONTROL MODULE (PCM) SPEAICAL PROCEDURE. *MJ
016502004-06-04. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:WINDSHIELD:ELECTRICAL HEATING ELEMENT. MANUAL DUAL ZONE FAN AND MODE KNOB REPLACEMENT. SERVICE VME. *TT
020272004-05-20. Service bulletin. ELECTRICAL SYSTEM. A/C ON LED INOPERATIVE OR APPEARS TO TOGGLE ON AND OFF. ALSO INCLUDING 2005 BUICK CENTURY AND 2005 BUICK REGAL. *MR
020382004-05-20. Service bulletin. ELECTRICAL SYSTEM. DIAGNOSTIC TROUBLE CODE B1000. *MR
017402004-04-27. Service bulletin. ELECTRICAL SYSTEM:WIRING. CROSS INJECTOR WIRES CAUSING MISFIRE AT STEADY STATE SPEED AND RPM, MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATED, AND A P0300 SET. SIT BULLETIN 1460291. *TT
0207300482004-04-23. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. PRESSURE CONTROL SOLENOID REPLACEMENT FOR 4T65-E, 4T40-E, AND 4T45-E TRANSAXLE/TRANSMISSION.*MR
030844005B2004-03-04. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:REAR WINDOW. POOR RADIO RECEPTION OR RADIO STATIC/ INCREASED INTERFERENCE WITH REAR WINDOW DEFOGGER ON OR SOME REAR WINDOW DEFOGGER GRIDS MAY BE INOPERATIVE. *TT

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