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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
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
PIC-4336B2008-11-26. Service bulletin. LATCHES/LOCKS/LINKAGES:DOORS:LATCH. GMC: POWER DOOR LOCKS CYCLING OR INOPERATIVE FROM THE SWITCHES WHEN DRIVING. *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
0702350042007-11-02. Service bulletin. STEERING:COLUMN. STEERING COLUMN RATTLE OR KNOCKING NOISE AT LOW SPEEDS (DIAGNOSIS AND REPLACE STEERING COLUMN, IF NECESSARY) *NJ
0702320072007-10-09. Service bulletin. STEERING. DIAGNOSTIC TIPS FOR POWER STEERING INOPERATIVE/STEERING WHEEL HARD TO TURN, POWER STEERING MESSAGE DISPLAYED ON DIC, DTC'S C0176, C0176, C0475, C0476, C0550, U2105, U2107 SET. *NJ UPDATED 2/17/10. *PE UPDATED 3/01/10. *PE
PIC-45782007-09-28. Service bulletin. ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS. EPS/STR WHEEL CONTROL FUSE (#19) OPEN. *KB UPDATED 10/04/07. *NJ UPDATED 8/7/09. *PE UPDATED 8/1/11. *PE
41752007-08-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. INTERMITTENT SES LIGHT DUE TO DTC'S P060E, P2135, AND/OR P2138. *KB UPDATED 2/27/08. *NJ
0707290012007-04-27. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. MG3, M86 TRANSAXLE GRINDING/WHINING NOISE IN 3RD OR 4TH GEAR, EXCESSIVE ENGAGEMENT OR DISENGAGEMENT EFFORT WHILE SHIFTING INTO 3RD OR 4TH GEAR, WILL NOT SHIFT INTO EITHER 3RD OR 4TH GEAR. (REPLACE COMPLETE OUTPUT SHAFT ASSEMBLY). *KB
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
0706040032007-03-07. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. LSJ, L61, LK5, L52, LL8 ENGINE - REDUCED ENGINE POWER, MIL/SES LIGHT, DTC P1516, P2135, P2138. *KB
40142007-03-01. Service bulletin. UNKNOWN OR OTHER. PARTS UPDATE - TIMING CHAIN TENSIONER DESIGN CHANGE. *KB
0502350072007-02-01. Service bulletin. STEERING. INFORMATION ON INADVERTENT TURNING OF KEY CYLINDER, LOSS OF ELECTRICAL SYSTEM AND NO DTC'S. *KB
38592007-01-30. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. LOW OIL PRESSURE - INSPECT OIL FILTER FOR DAMAGE. *KB UPDATED 10/18/07. *NJ
PIC33852007-01-29. Service bulletin. ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS. REPEATED PARK LPS FUSE OPEN. *KB (ADDITIONAL INFORMATION) UPDATED 4/1/08. *NJ
0602350082007-01-26. Service bulletin. STEERING:COLUMN. STEERING COLUMN SHUDDER, NOISE, VIBRATION WHILE MAKING RIGHT HAND TURNS AT 5-15 MPH. *KB
40112007-01-25. Service bulletin. AIR BAGS. AIR BAG INDICATOR LIGHT IS ON. *KB UPDATED ON 12/13/07. *NJ
0606040332007-01-24. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE MALFUNCTION INDICATOR LAMP (MIL)/SERVICE ENGINE SOON (SES) LAMP ILLUMINATED WITH DTC P0171. *KB
0608490162007-01-04. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. INSTRUMENT PANEL CLUSTER (IPC) BACKLIGHTING INOPERATIVE DURING DAYLIGHT HOURS. *KB
41452006-11-27. Service bulletin. STEERING:COLUMN. STEERING COLUMN POP/RATTLE CONCERNS. *KB
40662006-08-19. Service bulletin. EXTERIOR LIGHTING:TURN SIGNAL. TURN SIGNALS WILL NOT CANCEL INTERMITTENTLY. *TT
40702006-07-14. Service bulletin. STEERING:COLUMN. STEERING COLUMN RESTRICTION. *TT
0602320022006-03-16. Service bulletin. STEERING:ELECTRIC POWER ASSIST SYSTEM; STEERING. NORMAL OPERATING CHARACTERISTICS OF ELECTRIC POWER STEERING (EPS) SYSTEM DURING EXTENDED LOCK-TO-LOCK (MAXIMUM STEERING WHEEL ROTATION) USAGE. *TT UPDATED 3/30/11. *PE
36732006-02-17. Service bulletin. VEHICLE SPEED CONTROL:CRUISE CONTROL. CRUISE CONTROL INOPERATIVE AND/OR MALFUNCTION INDICATOR LAMP ON WITH DIAGNOSTIC TROUBLE CODE P0833 STORED. THE CONDITION MAY NOT BE ABLE TO BE DUPLICATED BY THE DEALER YET THE CONSUMER MAY HAVE A REPEAT CONCERN. *AK
3170E2006-02-16. Service bulletin. INTERIOR LIGHTING; EXTERIOR LIGHTING:HEADLIGHTS. IPC, INTERIOR LIGHTS AND/OR HEADLAMPS FLICKER. *AK FB2

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