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NHTSA Defect Investigations for the 2002 Chevrolet Blazer

The Office of Defects Investigations (ODI) is an office within the NHTSA which investigates serious safety problems in the design, construction or performance of vehicles. The NHTSA is authorized to order manufacturers to recall and repair vehicles, if the ODI finds a safety issue. NHTSA investigations for the 2002 Chevrolet Blazer, both ongoing and closed, are listed below:


    NHTSA Defect Investigation #RQ08001

    Component(s): Exterior Lighting:Hazard Flashing Warning Lights:Switch
    Exterior Lighting:Hazard Flashing Warning Lights:Unit

    Summary: On November 30, 2001, General Motors (GM) conducted safety recall 01V-364 for the subject vehicles built between September 16, 1999 and August 28, 2001 to remedy a defective hazard switch that would cause a loss of hazard and stop lamp illumination.the hazard switch is contained within the vehicle multifunction switch.ODI opened this investigation based on reports that some consumers were not notified of the original recall or that they had repairs done under 01V-364 but experienced subsequent multifunction switch failures.the multifunction switch supports the operation of cruise control, windshield wipers, exterior lighting and turn signals in addition to hazard and stop lamps. On May 21, 2008, GM notified the Agency that it erroneously missed identifying 5,862 vehicles that should have been included in recall 01V-364.GM will now notify owners of these vehicles under a new NHTSA recall number 08V-231.owner notification began on June 17.the primary cause of brake lamp failure was a design change from copper to brass contact material in the hazard switch.this change was effective for vehicles built after September 16, 1999.GM changed the material back to copper for vehicles built after August 28, 2001. The remedy part for both 01V-364 and 08V-231 contains copper contacts.GM's data shows that less than 1% of vehicles repaired under recall 01V-364 required additional subsequent repair or replacement of the hazard or multifunction switch.this investigation is closed.

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