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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.

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Only bulletins with component: Equipment and accessories are shown. Show all

Bulletins, newest first
PIC5050A2016-10-25. Service bulletin. EQUIPMENT:ELECTRICAL. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THE STEPS ON REPAIRING THE CONCERN. A CUSTOMER MAY IDENTIFY A CONCERN OF UNABLE TO REACTIVATE A VEHICLE'S ONSTAR THAT HAS BEEN PREVIOUSLY DISABLED BY ONSTAR. DEALER IS TO CALL GENERAL MOTORS TECHNICAL ASSISTANCE CENTER FOR FURTHER ASSISTANCE IF THE CONCERN IS STILL PRESENT.
16NA2602016-10-17. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REPROGRAM THE MEDIA DISC PLAYER WITH THE LATEST CALIBRATIONS TO CORRECT A CONDITION OF THE REAR ENTERTAINMENT SYSTEM NOT OPERATING AS INTENDED IN COLDER AMBIENT TEMPERATURE AREAS DUE TO CALIBRATION CONCERNS.
G-2068572016-09-28. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 14632 - SPECIAL COVERAGE (Q&A). ON DECEMBER 11, 2014, GENERAL MOTORS RELEASED SPECIAL COVERAGE ADJUSTMENT 14632. THE TOTAL NUMBER OF U.S. VEHICLES INVOLVED IS APPROXIMATELY 1.9 MILLION. IN ORDER TO ASSIST DEALERS WITH RESPONDING TO CUSTOMER INQUIRIES ABOUT THIS FIELD ACTION, ATTACHED IS A BRIEF Q&A DOCUMENT. PLEASE MAKE SURE THAT ALL EMPLOYEES WHO INTERACT WITH CUSTOMERS ARE FAMILIAR WITH THIS INFORMATION. CUSTOMER QUESTIONS THAT YOU ARE UNABLE TO ANSWER SHOULD BE REFERRED TO THE DEALER BUSINESS CENTER OR YOUR DISTRICT MANAGER - AFTERSALES.
SB-0000191608-A2016-03-31. Service bulletin. EQUIPMENT. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-0000191604-A2016-03-31. Service bulletin. ELECTRICAL SYSTEM:IGNITION; EQUIPMENT. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-0000189716-A2016-03-31. Service bulletin. ELECTRICAL SYSTEM:IGNITION:SWITCH; EQUIPMENT ADAPTIVE/MOBILITY. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
08089-B2009-02-10. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). GENERAL MOTORS CORP: SPECIAL COVERAGE ADJUSTMENT; ANALOG ONSTAR DEACTIVATION. *PE UPDATED 2/17/09. *PE
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
42522007-03-23. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; LATCHES/LOCKS/LINKAGES; ENGINE AND ENGINE COOLING:ENGINE; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. BUCK WHILE DRIVING, STALL, SES LIGHT, FLASH DOOR LOCKS CYCLE, CD PLAYER SKIP, CLOCK RESET. *KB
0501380162006-01-10. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. WATER LEAKING ON FRONT PASSENGER SIDE FLOOR OF VEHICLE, WATER BLOWING OUT OF VENTS (SEAL HEATER CORE COVER). *NM
0508490252005-11-08. Service bulletin. EQUIPMENT:ELECTRICAL. ADDITION OF SUPERCHARGER BOOST AIR PRESSURE INDICATOR REPLACEMENT PROCEDURE. *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
0501380052005-05-13. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. AIR CONDITIONING (A/C) SYSTEM NOT COLD ENOUGH, NOISY A/C COMPRESSOR. *TT
3315A2005-04-20. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. POOR AIR CONDITIONER PERFORMANCE. TO INCLUDE 2005 PONTIAC PURSUIT. *TT
0400890552005-03-14. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. PDI AND SERVICE GUIDE. *EH

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