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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
36482006-01-25. Service bulletin. ELECTRICAL SYSTEM:WIRING:FRONT UNDERHOOD. HESITATION ON ACCELERATION AFTER INTERNAL ENGINE REPAIRS - CHECK INJECTOR HARNESS ORIENTATION. *TT
0508640352006-01-10. Service bulletin. VISIBILITY. LEFT OR RIGHT MANUAL MIRROR CONTROL INOPERATIVE (REPLACE PLASTIC CONTROL TOWER. 2005 PONTIAC PURSUIT. *TS
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
36272006-01-09. Service bulletin. FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:FILLER PIPE AND CAP. FUEL TANK IS SLOW TO FILL AND/OR DTC P0446 - INSPECT EVAP VENT PIPE. THE SES LAMP MAY BE ILLUMINATED DUE TO A P0466 DTC. *TT UPDATED 08-15-07. *KB
37862006-01-07. Service bulletin. ENGINE AND ENGINE COOLING. NO START AFTER ENGINE HARNESS REPLACEMENT (NON-ABS). *TT
3641A2006-01-06. Service bulletin. SUSPENSION:REAR. REAR SUSPENSION SQUAWK/SQUEAK OVER BUMPS. *TT
3261B2006-01-06. Service bulletin. ELECTRICAL SYSTEM. (RETAINED ACCESSORY POWER) RAP DEACTIVATES FROM DRIVERS DOOR ONLY. *TT
36442006-01-05. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. MOMENTARY SAG ON LIGHT TO MODERATE ACCEL WHEN COLD - VALVE DEPOSITS. *TT
3506A2006-01-05. Service bulletin. ELECTRICAL SYSTEM. INCORRECT MILEAGE DISPLAYED AFTER PROGRAMMING A NEW BCM. VARIOUS MODELS INCLUDING 2005 - 2006 PONTIAC PURSUIT (CANADA ONLY). *TT
7092005-12-15. Service bulletin. TIRES. PERFORMANCE TIRES. GM TECH LINK. *TT
0507290062005-12-02. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:FLOOR SHIFT. SHIFT CONTROL KNOB LOOSE OR DETACHED FROM SHIFT CONTROL LEVER. *TT
050864030A2005-11-30. Service bulletin. STRUCTURE:BODY:DOOR. INTERIOR DOOR HANDLE INOPERATIVE OR CLICKING NOISE HEARD WHEN OPENING DOOR. *TT UPDATE. *NM
0507300152005-11-10. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. HARD TO SHIFT OR SELECT VEHICLE GEAR, SHIFTER STICKS/BINDS/JAMS. PONTIAC PURSUIT (CANADA) 2005-2006. *TT
0507300162005-11-09. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). TRANSMISSION CONTROL MODULE (TCM) SHORTED TO BATTERY VOLTAGE DURING DIAGNOSIS AND/OR SERVICE. *TT UPDATED. *NM
0508500112005-11-09. Service bulletin. SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER. REVISED FRONT HEATED SEAT CONTROL MODULE REPLACEMENT. TT
0502320052005-11-09. Service bulletin. STEERING. EI05093 - CLUNK NOISE IN STEERING SYSTEM AT SLOW SPEEDS WHILE TURNING AND/OR DRIVING OVER BUMPS. *TT (REPLACE INTERMEDIATE SHAFT). UPDATED 10/05/07. *NJ UPDATED 11/02/07 *NJ
0508640052005-11-08. Service bulletin. STRUCTURE:BODY:DOOR:HINGE AND ATTACHMENTS. DOOR HANDLE STICKS WHEN AMBIENT TEMPERATURES ARE BELOW 0 DEGREES C (32 DEGREES F). *TT
0508490252005-11-08. Service bulletin. EQUIPMENT:ELECTRICAL. ADDITION OF SUPERCHARGER BOOST AIR PRESSURE INDICATOR REPLACEMENT PROCEDURE. *TT
34822005-11-07. Service bulletin. ENGINE AND ENGINE COOLING. CHECK ENGINE LIGHT, P0532, P0533, P2138, P1681, OR A/C INOPERATIVE (UPDATE). *TT
0508980022005-11-05. Service bulletin. STRUCTURE:BODY. LAMINATED STEELS - GENERAL INFORMATION AND SPECIFIC REPAIR PROCEDURES FOR HINGE PILLAR BODY REPLACEMENT-FRONT INNER, RAIL REPLACEMENT FRONT COMPARTMENT-FRONT AND WHEELHOUSE REPLACEMENT-FRONT. *TT
0503100112005-11-04. Service bulletin. WHEELS. 18 INCH ACCESSORY WHEELS AVAILABLE THROUGH GMSPO. *TT
36882005-11-01. Service bulletin. VISIBILITY:SUN/MOON ROOF ASSEMBLY. SUNROOF SWITCH BEZEL FALLS FROM THE HEADLINER. *TT
3310D2005-11-01. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SERVICE ENGINE SOON (SES) LIGHT DUE TO A P0171 - INSPECT AIR INTAKE AND OIL DIPSTICK. *TT
35312005-10-29. Service bulletin. FUEL SYSTEM, OTHER. HIGH FUEL PRESSURE - POSSIBLE FUEL FILTER CONCERN. *TT
34122005-10-29. Service bulletin. SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT. BRAKE SYSTEM WARNING LIGHT ILLUMINATES AT TIMES. *TT

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