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Service bulletins for the 2008 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.

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

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Bulletins, newest first
14632B2015-07-20. Service bulletin. ELECTRICAL SYSTEM:IGNITION. THIS TSB CONTAINS OWNER NOTIFICATION LETTER. SELECT DOCUMENT SEARCH BUTTON BELOW. GENERAL MOTORS 2003-2011 VEHICLES EQUIPPED WITH AN AUTOMATIC TRANSMISSION, UNABLE TO REMOVE IGNITION KEY. *LJ
14632B2015-06-16. Service bulletin. ELECTRICAL SYSTEM:IGNITION. GENERAL MOTORS: TSB CONTAINS AN OWNER NOTIFICATION LETTER. SELECT DOCUMENT SEARCH BUTTON BELOW. 2003-2010 CHEVROLET COBALT, HHR , PONTIAC SOLSTICE, PONTIAC G5, PONTIAC G4 , SATURN SKY, SATURN ION. SPECIAL COVERAGE REGARDING - UNABLE TO REMOVE IGNITION KEY. *LJ
146322015-06-10. Service bulletin. ELECTRICAL SYSTEM:IGNITION. GENERAL MOTORS 2005-2011 CHEVROLET COBALT, HHR 2006-2010 PONTIAC SOLSTICE, G5,G4,2007-2010 SATURN SKY , 2003-2007 SATURN ION: SEE DOCUMENT SEARCH BUTTON FOR OWNERS LETTER. CERTAIN VEHICLES ARE UNABLE TO REMOVE IGNITION KEY DUE TRANSMISSION SHIFTER. *LJ UPDATED 6/16/15. *PE
PI-0018-B2014-01-04. Service bulletin. STRUCTURE:BODY:DOOR; VISIBILITY:GLASS, SIDE/REAR. GENERAL MOTORS: THE WINDOWS, FRONT AND REAR, WOULD BIND, POOR FIT, MISALIGNMENT, MAKES RATTLE OR SQUEAKING NOISES, MOVES SLOWLY AND IS INOPERATIVE. MODEL 2008-2014 VEHICLES AND TRUCKS. *PE
SB-121912013-04-22. Service bulletin. FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP; FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP. CHEVROLET/PONTIAC/SATURN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ON FUEL PUMP MODULE, PLASTIC SUPPLY OR RETURN PORT MAY BE CRACK AND WILL DEVELOP A FUEL LEAKAGE WHEREBY FUEL ODOR IS NOTICED, WHEN DRIVEN OR PARKED. PARTS AVAILABILITY WILL DONE IN PHASES. 2006-2009 COBALT, 2007-2009 G5, 2006-2007 ION, 2006 PURSUIT AND THEN 2008-2009 EQUINOX, UPLANDER, MONTANA SV6, TORRENT. *PE UPDATED 10/17/13. *PE UPDATED 11/6/15. *PE
PIC-5671-C2012-11-27. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY; FUEL SYSTEM, OTHER. CHEVROLET/PONTIAC: FUEL TANK COVER ASSEMBLY (NU6 EMISSION PACKAGE) CAN NOT BE ORDERED THRU DEALERSHIP DUE TO PARTS (25815572 AND 25948766) BEING PLACED ON RETRICTION THRU PRODUCT QUALITY CENTER (PQC). MODELS 2007-2010 COBALT, G5 AND 2007 ION. *PE
PI-08172012-11-20. Service bulletin. ELECTRICAL SYSTEM:WIRING; FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP. CHEVROLET/PONTIAC/SATURN: ENGINE FAILS TO START AFTER ENGINE CRANKS DUE TO FUEL PUMP WIRE HARNESS CONNECTOR NEEDS REPLACING, WITHOUT REPLACING FUEL PUMP COVER ASSEMBLY (FUEL PUMP FLANGE). MODEL 2007-2010 COBALT, G5, ION. *PE
PIT5074F2012-05-24. Service bulletin. ELECTRICAL SYSTEM. GM: J-35616-64B TERMINAL TEST PROBE AND REPLACEMENT TERMINAL. ALSO INCLUDED MODELS VERANO, REGAL, LACROSSE, CTS, SRX, VOLT, SONIC, MALIBU, IMPALA, EQUINOX, CRUZE, AVALANCHE, TAHOE SUBURBAN, SILVERADO, SIERRA, YUKON, AND TERRAIN FOR MODEL YEAR 2013. MODEL ESCALADE MODEL YEAR 2012-2013. MODEL PONTIAC G3 MODEL YEAR 2007. MODEL WAVE MODEL YEARS 2005-2010. DENALI MODELS MODEL YEARS 2007-2013. *JS
SB-120892012-05-23. Service bulletin. ELECTRICAL SYSTEM:IGNITION:MODULE; ELECTRICAL SYSTEM:IGNITION. CHEVROLET/PONTIAC: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. A BINDING CONDITION HAS OCCUR BETWEEN THE HOUSING AND IGNITION LOCK CYLINDER WHICH MAKES THE IGNITION KEY DIFFICULT TO TURN OR REMOVE FROM IGNITION. *PE UPDATED 8/13/12. *PE
PB-10037A2011-06-27. Service bulletin. ELECTRICAL SYSTEM. GM: ONSTAR IS MAKING INCOMPLETE CALLS WITHOUT THE DRIVER KNOWING. WHEN HAVE A DATA CONNECTION. *RM
PIC-54412011-06-27. Service bulletin. STEERING; ENGINE AND ENGINE COOLING:ENGINE. GM: THERE ARE MULTIPLE WARNING LIGHTS ON. THERE IS HARSH SHIFTING, HARD STEERING, AND NO START. THERE MAY BE MULTIPLE TROUBLE CODES STORED. *RM
PIP-4495C2011-06-16. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. GM: THERE MAY BE NOISE COMING FROM THE CYLINDER HEAD, BECAUSE OF LOW OIL PRESSURE WHICH IS CAUSED BY DEBRIS. *RM
PI-0011A2011-06-15. Service bulletin. LATCHES/LOCKS/LINKAGES:DOORS:LATCH. GM: THE FRONT OR REAR DOOR MAY NOT OPEN FROM THE INSIDE OR OUTSIDE HANDLE, THE DOOR WILL NOT UNLOCK WITH ANY METHOD. THE PROBABLY CAUSE AN INCORRECT INSTALLATION OF A HANDLE COMPONENT. *RM UPDATED ON 7/26/2013. ALL 2014 AND PRIOR GM PASSENGER CARS AND TRUCKS. *KB
10-00-89-017C2011-06-14. Service bulletin. UNKNOWN OR OTHER. GM: INFORMATION ON FIXING MULTIPLE SITUATIONS RIGHT THE FIRST TIME. *RM
09-09-40-001A2011-06-14. Service bulletin. SEAT BELTS:FRONT:WARNING LIGHT/DEVICES; SEAT BELTS. GM: THERE ARE SEAT BELT PROBLEMS: DIFFICULTY LATCHING AND UNLATCHING BUCKLE. BUCKLE RELEASE BUTTON IS STICKING. SEAT BELT WARNING LIGHT ILLUMINATED. LIKELY CAUSED BY STICKY BEVERAGES THAT ARE SPILLED INTO THE BUCKLE ASSEMBLY. *RM UPDATED 4/3/12. *PE
PIC-54082011-06-06. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. GM: THE FOG LAMP INDICATOR IS INOPERATIVE. *RM
PIT-3749D2011-05-26. Service bulletin. STRUCTURE:FRAME AND MEMBERS. GM: ON SOME TRUCK MODELS THERE IS SOME FRAME CORROSION. *RM UPDATED ON 5/2/2012. *KB
PI-02962011-05-23. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS; ELECTRICAL SYSTEM:WIRING. GM: MALFUNCTION LIGHT IS ON AND THERE IS A MISFIRE. THERE MAY BE THREE TROUBLE CODES AND COULD BE A RESULT OF WIRING PROBLEMS AT THE FUEL INJECTOR. *RM
05-09-40-002E2011-05-11. Service bulletin. SEAT BELTS:FRONT:WEBBING; SEAT BELTS:FRONT:RETRACTOR. GM: SERVICE BULLETIN EXPLAINING WHEN THE SAFETY BELTS ARE SUPPOSED TO LOCK. *RM UPDATED 12/6/11. *PE
SB-09-01-37-002D2011-05-10. Service bulletin. STRUCTURE:BODY; STRUCTURE. GM: THE FRONT AND REAR FLOOR CARPET MAY BE WET DUE TO A PLUGGED HVAC DRAIN. *RM UPDATED 02/06/12. *PE
PI-0128A2011-03-28. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. CHEVROLET/PONTIAC/SATURN/DAEWOO/OPEL: ENGINE MISFIRE/LOW COMPRESSION. TECHNICIAN SHOULD PERFORM A COMPRESSION TEST. RESULTS MAY LEAD TO CYLINDER WITH LOW COMPRESSION (85-90PSI). THIS MAY CAUSE THE MISFIRE. *PE
PIP-48202011-03-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER. CHEVROLET/PONTIAC/SATURN/DAEWOOD/OPEL: LOW TURBOCHARGER BOOST PRESSURE OR POSSIBLE DTC P0299. TECHNICIANS MAY FIND DTC P0299 PRESENT. MAY ALSO FIND THE TURBO WASTEGATE ACTUATOR ROD NUT MISSING. MOST PARTS OF THE TURBOCHARGER ARE NOT SERVICEABLE. *PE
PIC-5073B2010-11-11. Service bulletin. ELECTRICAL SYSTEM. CHEVROLET/PONTIAC: VARIOUS ELECTRICAL CONCERNS. SIR LIGHT, IP LIGHTS FLICKER/INOPERATIVE, PARKING LAMPS FLICKER/INOPERATIVE, TAIL LAMP DIM/INOPERATIVE, TRUNK OPEN LIGHT, RADIO INOPERATIVE DOOR LOCK INOPERATIVE, NO START, NO CRANK. POSSIBLE AREA TO CONTRIBUTE TO THIS COULD BE THE INTERIOR WIRING AT S361/J361 SPLICE. *PE UPDATED 11/15/10. *PE
PIP-46742010-07-23. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. CHEVROLET/PONTIAC/SATURN: BLOCKED SHIFT, GEAR HOP OUT 1ST, 3RD, 5TH GEAR OR DIFFICULTY SHIFTING. THE SHIFT LEVER ON THE MANUAL TRANSMISSIONS ROLL PIN CAN BACK OUT AND CONTACT THE SHIFT COVER DURING A SHIFT EVENT. THIS CAN CAUSE AN INCOMPLETE, BLOCKED SHIFT OR DIFFICULTY SHIFTING THE TRANSMISSION. *PE
PIP-46512010-06-08. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SATURN/PONTIAC/CHEVROLET: SOFT SHIFTS, ERRATIC SHIFTS, DTC P1811. VEHICLES WITH A HYDRAMATIC 4T45 TRANSAXLE MAY HAVE SOFT SHIFTS OR SHIFTS ERRATICALLY. THESE CONDITIONS MAY APPEAR INTERMITTENTLY OR SET A DTC P1811. DURING DIAGNOSIS, A LOW OR HIGH LINE PRESSURE (ACTUAL VERSUS DESIRED) MAY BE OBSERVED. *PE

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