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Service bulletins for the 2006 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.

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

By type

By component

By trouble code

By topic

Bulletins, newest first
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
050842005-11-09. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. CHEVROLET SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. DAYTIME RUNNING LAMPS INOPERATIVE - CUSTOMER SATISFACTION PROGRAM. CSC *TT *FB
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
33472005-10-28. Service bulletin. EXTERIOR LIGHTING:BRAKE LIGHTS. BRAKE LIGHTS INOPERATIVE WITH KEY IN THE OFF POSITION. *TT
32532005-10-24. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. VEHICLE WILL NOT MOVE IN EITHER DIRECTION. TRANSMISSION MAY SHOW OVER FULL. P90 4T40E 4T45E NO MOVEMENT DRIVE OR REVERSE. CONVERTER MAY BE EMPTY OF FLUID. *TT
050832005-10-22. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). ONSTAR SYSTEM INOPERATIVE. *SC
34332005-10-21. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SERVICE ENGINE SOON (SES) LIGHT AND SEVERE ENGINE MISFIRE ON CYLINDERS 1 AND 4 OR CYLINDERS 2 AND 3. *TT UPDATED 08-15-07. *KB
34922005-10-21. Service bulletin. ELECTRICAL SYSTEM. SERVICE ENGINE SOON (SES) LIGHT AT HIGHWAY SPEEDS DUE TO A P0171 DIAGNOSTIC TROUBLE CODE (DTC). *TT
3393A2005-10-20. Service bulletin. EXTERIOR LIGHTING. BACKLIGHTING IS INOP DURING DAYLIGHT CONDITIONS (HEADLIGHT SWITCH TURNED ON MANUALLY) *SC
36872005-10-18. Service bulletin. SUSPENSION. CLUNK NOISE FROM FRONT OF VEHICLE DURING TURNING MANEUVER. *SC
34042005-10-12. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. MACHINING DEBRIS ON THE OIL FILTER ELEMENT. *SC
3385A2005-09-21. Service bulletin. ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS. REPEATED PARK LPS FUSE OPEN (ADDITIONAL INFORMATION). *TT
36352005-09-21. Service bulletin. SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP. NO COMMUNICATION WITH ANTI-LOCK BRAKING SYSTEM AFTER EBCM REPLACEMENT. TO INCLUDE 2006 CHEVROLET HHR. *TT
3512C2005-09-20. Service bulletin. ELECTRICAL SYSTEM. SERVICE ENGINE SOON (SES) LIGHT DUE TO A P1182 DIAGNOSTIC TROUBLE CODE - POTENTIAL CAUSES AND ISSUES. *TT
050310001A2005-05-13. Service bulletin. WHEELS. 16 INCH ACCESSORY WHEELS AVAILABLE THROUGH GMSPO. *TT
3421B2005-05-10. Service bulletin. ELECTRICAL SYSTEM. ENGINE STALLS, LOSS OF ELECTRICAL SYSTEMS, AND NO DIAGNOSTIC TROUBLE CODE (DTC). INCLUDING 2005-06 PONTIAC PURSUIT. *TT *SC

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