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Service bulletins for the 2005 Chevrolet Cobalt

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.

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

By type

By component

By trouble code

Bulletins, newest first
6102005-08-11. Service bulletin. STRUCTURE:BODY:DOOR. DOOR UPPER FRONT TRIM PANEL. GM TECH LINK. *TT
7012005-08-11. Service bulletin. FUEL SYSTEM, OTHER. FUEL FILTER REPLACEMENT. GM TECH LINK. *TT
7012005-08-11. Service bulletin. VISIBILITY:WINDSHIELD WIPER/WASHER. PULSE WIPER OPERATION. *TT
0508570022005-05-16. Service bulletin. VISIBILITY:WINDSHIELD WIPER/WASHER:MOTOR. WATER ON PASSENGER FLOOR/BLOWER MOTOR INOPERATIVE. *TT
050846006A2005-05-14. Service bulletin. EQUIPMENT. INFORMATION ON UPGRADING CERTAIN ONSTAR GENERATION 5 ANALOG/DIGITAL-READY SYSTEMS TO ONSTAR GENERATION 6 DUAL-MODE (ANALOG/DIGITAL). *TT
050310001A2005-05-13. Service bulletin. WHEELS. 16 INCH ACCESSORY WHEELS AVAILABLE THROUGH GMSPO. *TT
0501380052005-05-13. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. AIR CONDITIONING (A/C) SYSTEM NOT COLD ENOUGH, NOISY A/C COMPRESSOR. *TT
34572005-05-11. Service bulletin. ENGINE AND ENGINE COOLING. SERVICE ENGINE SOON (SES) LIGHT ON OR VARIOUS DRIVEABILITY CONCERNS. ALSO TO INCLUDE 2005 PONTIAC PURSUIT. *TT
3421B2005-05-10. Service bulletin. ELECTRICAL SYSTEM. ENGINE STALLS, LOSS OF ELECTRICAL SYSTEMS, AND NO DIAGNOSTIC TROUBLE CODE (DTC). INCLUDING 2005-06 PONTIAC PURSUIT. *TT *SC
08042005-04-30. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. OIL LIFE SYSTEM RESET PROCEDURES - CARS. *NM
33562005-04-21. Service bulletin. AIR BAGS. SIR LIGHT ON WITH CODES B0012 AND B0013. INCLUDING THE 2005 PONTIAC PURSUIT. *TT
32692005-04-21. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SERVICE ENGINE SOON (SES) LIGHT, MISFIRE AND VALVETRAIN TICK. *TT
3315A2005-04-20. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. POOR AIR CONDITIONER PERFORMANCE. TO INCLUDE 2005 PONTIAC PURSUIT. *TT
0508490022005-04-20. Service bulletin. STRUCTURE:BODY. FUEL GAUGE ACCURACY AND OR FUEL GAUGE FLUCTUATION FUEL GAUGE DOES NOT GO TO FULL. THIS INCLUDES 2005 PONTIAC PURSUIT. *EH
050601003A2005-04-20. Service bulletin. ENGINE AND ENGINE COOLING. HIGHER THAN EXPECTED OIL CONSUMPTION BLUE SMOKE ON ACCELERATION. *EH
0505250012005-04-20. Service bulletin. ELECTRICAL SYSTEM. INFORMATION ON A FALSELY SET DTC U2108 IN ENGINE CONTROL MODULE. THIS INCLUDES 2005 PONTIAC PURSUIT. *EH
3316A2005-04-18. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR. WATER HAS BEEN FOUND TO BE ENTERING THE HVAC CASE THROUGH THE COWL. *TT INVENTORY UPGRADE BULLETIN 05032. *TT UPDATE. *TT
0400890552005-03-14. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. PDI AND SERVICE GUIDE. *EH
111220042005-02-08. Service bulletin. UNKNOWN OR OTHER. STOP DELIVERY ORDER OF ALL 2005 CHEVROLET COBALT MODEL VEHICLES. *TT
32352005-01-31. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. ENGINEERING INVESTIGATION ON THE NEW TRANSMISSION CONTROL MODULE. *EH
041002005-01-27. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. NON COMPLIANCE RECALL #04100. THE SHIELDS INSIDE OF THE HEADLAMPS CAN LOOSEN DURING A VIBRATION TEST. TO INCLUDE 2005 PONTIAC PURSUIT. *TT PRODUCT FIELD ACTION ANNOUNCEMENT. *TT GMC VOICEMAIL MESSAGE. *TT

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