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.
By type
By component
By trouble code
By topic
| PIP-4638 | 2010-04-12. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. CHEVROLET: DIFFICULT TO SHIFT OR UNABLE TO SELECT ALL GEARS. THE TRANSMISSION IS DIFFICULT TO SHIFT AND/OR IT CANNOT BE SHIFTED INTO ALL GEARS. THIS CONDITION MAY BE CAUSED BY A LOCATOR PIN LEFT IN PLACE THAT WAS MEANT TO BE REMOVED AT THE ASSEMBLY PLANT OR A SHIFT CABLE OUT OF POSITION. (COBALT SS/HHR SS). *PE |
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| SB-09-06-93-002 | 2010-03-26. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. DAEWOO/OPEL/SATURN/PONTIAC/CHEVROLET: TURBOCHARGER HOUSING INLET FLANGE CRACKS IN PARTITION WALL. *PE |
| SB-09-09-41-004 | 2010-03-06. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. DAEWOO/SATURN/OPEL/PONTIAC/CHEVROLET: INSTRUMENT PANEL CLUSTER (IPC) AIR BAG INDICATOR ILLUMINATED (INSTALL PROTECTIVE MATERIAL). UPON PERFORMING A DTC CHECK, THE TECHNICIAN MAY FIND A B0012-02, B0012-OE OR B0013-OE CODE STORED IN THE SUPPLEMENTAL INFLATABLE RESTRAINTS (SIR) SYSTEM. THIS CONDITION MAY BE CAUSED BY A SHORT TO GROUND IN THE YELLOW SIR WIRING HARNESS. *PE UPDATED 6/16/15. *PE |
| SB-09-09-40-003 | 2010-03-06. Service bulletin. INTERIOR LIGHTING; AIR BAGS. CHEVROLET/PONTIAC: SIR/AIRBAG LIGHT ILLUMINATED, DTC B0081 AND PASSENGER PRESENCE SYSTEM (PPS) CODE 23 STORED (REPLACE PASSENGER SEAT BELT RETRACTOR AND RE-ROUTE WIRE HARNESS). *PE UPDATED 3/4/11. *PE |
| SB-09126 | 2010-02-17. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. CHEVROLET: SERVICE UPDATE FOR INVENTORY AND CUSTOMER VEHICLES CHARGE AIR COOLER INLET DUCT DETACHMENT - EXPIRES WITH BASE WARRANTY. *PE |
| SB-5078A | 2009-11-25. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. CHEVROLET/OPEL/SATURN/CADILLAC/PONTIAC: A LOW BATTERY CONDITION ON ANY OF THE ABOVE LISTED VEHICLES COULD POTENTIALLY CAUSE THE SIR LIGHT TO COME. THE SDM UNDER LOW POWER SITUATIONS COULD SET CODES B0083 AND B0084. *PE |
| SB-08-06-04-035A | 2009-11-04. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. GENERAL MOTORS: AN INTERMITTENT MALFUNCTION INDICATOR LAMP (MIL)/SERVICE ENGINE SOON (SES) LIGHT ILLUMINATED WITH NO ENGINE PERFORMANCE CONCERNS. UPON INSPECTION, ONE OR MORE OF THE FOLLOWING DIAGNOSTIC TROUBLE CODES (DTCS) WILL BE STORED IN THE ECM-DTC P0335 CRANKSHAFT POSITION (CKP) SENSOR CIRCUIT; DTC P2610 CONTROL MODULE IGNITION OFF TIMER PERFORMANCE. *PE |
| SB-09-09-41-003 | 2009-11-04. Service bulletin. AIR BAGS. CHEVROLET/PONTIAC: THE SIR/AIRBAG LIGHT IS ILLUMINATED. UPON INVESTIGATION, THE TECHNICIAN MAY FIND DTC B0081 SET. *PE |
| TSB-09-09-41-002 | 2009-08-07. Service bulletin. AIR BAGS. GENERAL MOTORS: SIR/AIRBAG LIGHT ILLUMINATED, PASSENGER PRESENCE SYSTEM (PPS) DTCS 023, 024, 063, 064, 065 SET (INSPECT PPS SYSTEM WIRING AND/OR CONNECTORS). *PE |
| TB-09-07-30-009 | 2009-08-04. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. GENERAL MOTORS: AN AUTOMATIC TRANSMISSION CONCERN OF NO MOVEMENT, NO REVERSE OR SLIPPING. THESE CONCERNS MAY BE DUE TO AN ISSUE WITH THE DIRECT CLUTCH. *PE |
| TB-080941006B | 2009-08-03. Service bulletin. AIR BAGS. GENERAL MOTORS: THE SIR LIGHT IS ILLUMINATED. DTC B0081 PASSENGER PRESENCE SYSTEM (PPS) CODE STORED (INSPECT PPS SYSTEM CONNECTORS). *PE |
| TB-PIP-4520 | 2009-07-22. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. GENERAL MOTORS: TECH MAY ENCOUNTER A VEHICLE WITH A LOW BOOST/POWER CONDITION AND/OR DTC P0299 AND OR P0101 SETTING. THIS MAY BE THE RESULT OF A CRACKED OR BROKEN FITTING AT THE TURBOCHARGER ASSEMBLY. *PE |
| SB-08-09-41-002C | 2009-07-20. Service bulletin. AIR BAGS. GENERAL MOTORS: DIAGNOSTIC INFORMATION FOR INTERMITTENT RESTRAINTS, AIR BAG (SIR) INDICATOR/LAMP ON WITH DTC(S) B0012, B0013, B0016, B0016, B0019, B0020, B0022, B0023, B0026, B0033, B0040, B0042 OR B0044 SET. THIS MAY BE CAUSED BY A LOOSE, MISSING, OR BROKEN CONNECTOR POSITION ASSURANCE (CPA) RETAINER AT THE AIR BAG FOR THE SET DTC. INCLUDES TRAILBLAZER EXT. *PE UPDATED 8/16/10. *PE UPDATED 3/12/12. *PE |
| PB-08200 | 2009-06-10. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. CHEVROLET PONTIAC SATURN SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ENGINE OIL PAN DRAIN PLUG THREAD INSERT LOOSE OR DAMAGED; INSPECT/INSTALL NEW INSERT. MAY HAVE AN UNDERSIZE ENGINE OIL PAN DRAIN PLUG THREAD INSERT. *PE |
| PIP-4485 | 2008-12-03. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY; ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS. GMC: LOW BOOST, REDUCED POWER AND/OR DTC ON CERTAIN 2008-09 COBALT SS. INSPECT THE RIGHT SIDE CAC (CHARGE AIR COOLER) PIPE FOR CONTACT ON RADIATOR SUPPORT BOLT. *PE |
| PIC-4336B | 2008-11-26. Service bulletin. LATCHES/LOCKS/LINKAGES:DOORS:LATCH. GMC: POWER DOOR LOCKS CYCLING OR INOPERATIVE FROM THE SWITCHES WHEN DRIVING. *PE |
| 08-200 | 2008-11-18. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. CHEVROLET PONTIAC SATURN SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ENGINE OIL PAN DRAIN PLUG THREAD INSERT LOOSE OR DAMAGED-INSPECT/INSTALL NEW INSERT. VEHICLES MAY HAVE AN UNDERSIZE ENGINE OIL PAN DRAIN PLUG THREAD INSERT THAT WILL BE INSTALLED TOO FAR INTO THE OIL PAN HOLE. *PE CSC LETTER WAS RECEIVED. UPDATED 12/1/08. *PE |
| 08-07-30-034 | 2008-09-24. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. GMC: 4T45-3 AUTOMATIC TRANSMISSION (RPO MN5/ME7) - NO REVERSE, BINDS IN REVERSE, NO MOVEMENT, DTC P0756 (PERFORM APPROPRIATE REPAIR AS OUTLINED IN BULLETIN). ON SOME HYBRID AND NON-HYBRID VEHICLES. *PE |
| 08-09-41-006 | 2008-08-28. Service bulletin. AIR BAGS:FRONTAL. SIR/AIR BAG LIGHT ILLUMINATED, DTC B0081 (PASSENGER PRESENCE SYSTEM (PPS) CODE) STORED (INSPECT PPS SYSTEM CONNECTORS). *PE UPDATED 5/22/09. *PE UPDATED 4/22/13. *PE |
| PIP-4416 | 2008-08-26. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. INTERMITTENTSTALL WHEN COMING TO A STOP OR ENGINE CHUGGLES PRIOR TO A STOP, HYBRID DTC P1A6F. VEHICLES EQUIPPED WITH 4T45E TRANSMISSION INCLUDING HYBRID. *PE UPDATED 11/15/10. *PE |
| PIC4795 | 2008-04-23. Service bulletin. TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. TIRE PRESSURE MONITORING (TPM - RPO UJ6) LIGHT FLASHING. *NJ |
| 0707129001 | 2008-03-31. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION (PRNDL). EI07280 - KEY CAN NOT BE REMOVED FROM IGNITION WITH TRANSAXLE SELECTOR IN PARK, SHIFTER CAN NOT BE MOVED FROM PARK POSITION (DIAGNOSE USING SI). *NJ |
| 070316003 | 2008-02-20. Service bulletin. TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. TIRE SLOWLY GOES FLAT, TIRE PRESSURE LIGHT ON, CHECK TIRE PRESSURE MESSAGE ON DIC, LOW TIRE PRESSURE (REPLACE TIRE PRESSURE MONITORING [TPM] SENSOR WASHER AND SEAL [GROMMET]). *NJ |
| 07255 | 2008-01-09. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS. COOLANT LEAK ON CERTAIN 2008 CHEVROLET COBALT AND PONTIAC G5 VEHICLES. *NJ |
| 070232007 | 2007-10-09. 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 |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.