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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

Only bulletins with component: Steering are shown. Show all

Bulletins, newest first
14115A2023-12-18. Service bulletin. POWER TRAIN; STEERING:AUTOMATED/ADAPTIVE STEERING:MOTOR/ACTUATOR; STEERING:ELECTRIC POWER ASSIST SYSTEM; STEERING. Electric Power Steering Assist
03-00-91-001I2023-11-22. Service bulletin. WHEELS; POWER TRAIN; STEERING; SUSPENSION; ENGINE AND ENGINE COOLING. This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns.
PIE03512017-08-31. Service bulletin. STEERING. This preliminary informational bulletin requests information on vehicles with a condtion of Loss of Power Steering Assist After Campaign 10023 or 14115 Has Been Performed
PIC3278G2017-08-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; STEERING. This Preliminary Information communication provides information to the technician the steps needed to diagnose and repair the vehicles that may have unwanted or phantom phone calls. Technician will need to determine what type of call the customer is having that is unwanted. The vehicle may receive an incoming call just like any other phone. Typically the customer will hear the phone ringing in the vehicle. This scenario also includes incoming Bluetooth calls. One type of unwanted call can be made if the key pad is faulty the OnStar system will try to make a blue button call for shorted voltage in the circuits. The OnStar module could have an internal fault and produce a ″Phone Unavailable″ audio message also it may have a Diagnostic Trouble Code U1500 or B1000. Refer to diagnostics for the Diagnostic Trouble Code making sure to follow any applicable Bulletins or Preliminary Information sheets. A “Ready” or “OnStar ready” audio message heard while driving. In some cases it has been found that the customer is inadvertently pressing the ″push to talk″ button on the steering wheel controls. On rare occasions, other issues in the steering column or Steering Wheel Control system may induce this concern.
PIE0351B2017-08-15. Service bulletin. STEERING. This engineering informational bulletin is ending the need of information from the field on vehicles with the conditon of loss of power steering assist after completing campaign 10023 or 14115 has been completed
PIE0351A2017-08-15. Service bulletin. STEERING; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This engineering informational bulletin is requesting information from the field on vehicles that have the condition of loss of power steering assist after campaign 10023 or 14115 has been performed
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
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
0502350072007-02-01. Service bulletin. STEERING. INFORMATION ON INADVERTENT TURNING OF KEY CYLINDER, LOSS OF ELECTRICAL SYSTEM AND NO DTC'S. *KB
0602350082007-01-26. Service bulletin. STEERING:COLUMN. STEERING COLUMN SHUDDER, NOISE, VIBRATION WHILE MAKING RIGHT HAND TURNS AT 5-15 MPH. *KB
41452006-11-27. Service bulletin. STEERING:COLUMN. STEERING COLUMN POP/RATTLE CONCERNS. *KB
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
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

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