NHTSA Defect Investigations for the 2002 GMC Envoy XL

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 GMC Envoy XL, both ongoing and closed, are listed below:

  1. BRAKE LAMP FAILURE NHTSA Engineering Analysis #EA04021

    Component(s): Exterior Lighting:Brake Lights

    Summary: GM states that some brake/tail lamp bulbs can prematurely become inoperative due to malfunctioning brake/tail lamp sockets.on March 2, 2004, GM initiated a 6-year/72,000 mile "special policy" for 989,487 subject vehicles to inspect and replace the rear brake/tail lamp bulb socket assemblies.on April 4, 2004, the Office Of Defects Investigation (ODI) opened a preliminary evaluation (PE04-032) based on consumer complaints alleging brake lights not operating when the brake pedal is depressed.on August 3, 2004 ODI upgraded PE04-032 to an engineering analysis (EA04-021).by letter dated October 27, 2004 GM notified NHTSA that it will conduct a safety recall (NHTSA # 04V527) covering subject vehicles that were not already repaired under GM's "special policy."MY 2004 subject vehicles built after August 8, 2003 contain improved brake lamp assemblies and are not included in the recall.GM dealers will install the improved brake lamp assembly on subject vehicles built on August 8, 2003 and earlier.the action taken by GM is sufficient to resolve the issues raised by this investigation.accordingly, this investigation is closed.

    NHTSA: For detailed information & supporting documents, see the official NHTSA page concerning investigation #EA04021 »

  2. FUEL PUMP MODULE LEAKS GASOLINE NHTSA Engineering Analysis #EA07009

    • Status:
      CLOSED
    • Date Opened: July 10, 2007
    • Date Closed: August 28, 2008
    • Recall: no recall issued

    Component(s): Fuel System, Gasoline:Delivery:Fuel Pump

    Summary: During the course of this ea investigation, ODI observed that the majority of the complaints (88%) and warranty claims (94%) were reported for vehicles that are registered for use in the "salt belt" region of the us.this area includes 20 states in the northeast, mid atlantic and the midwest regions and the District of Columbia.consumers in the salt belt region reported to ODI that they could smell fuel vapors in their vehicles while driving.upon further examination of their vehicles, they discovered that fuel vapors were coming out of the top of the fuel tank. This condition is caused by corrosion of the return and sender lines of the fuel pump module.water and road salt collect on top of the fuel pump leading to small pinholes appearing on the fuel lines.fuel may leak and collect on top of the module and/or spill onto the ground.the data evaluated under this investigation reflect a relatively low frequency of occurrence that largely arises in salt belt states.GM has extended the warranty on the subject component to ten years or 120,000 miles.further use of Agency resources does not appear to be warranted at this time; accordingly, this investigation is closed.the closing of this investigation does not constitute a finding by NHTSA that no safety-related defect exists.the Agency reserves the right to take further action if warranted by the circumstances.for additional information select document search.

    NHTSA: For detailed information & supporting documents, see the official NHTSA page concerning investigation #EA07009 »

  3. FUEL PUMP MODULE LEAKS GASOLINE NHTSA Preliminary Evaluation #PE07013

    • Status:
      CLOSED
    • Date Opened: March 12, 2007
    • Date Closed: July 10, 2007
    • Recall: no recall issued

    Component(s): Fuel System, Gasoline:Delivery:Fuel Pump

    Summary: ODI has received reports that the fuel pump module leaks fuel and or vapor underneath the vehicle.GM states, "the failure mechanism is corrosion of the fuel pump module flange which may lead to a fuel leak.corrosion of the fuel pump module flange is the result of the vehicle operating in a corrosive environment."ODI has upgraded this PE to engineering analysis (EA07-009) to further assess this issue.

    NHTSA: For detailed information & supporting documents, see the official NHTSA page concerning investigation #PE07013 »

  4. FUEL TANK LEAK NHTSA Preliminary Evaluation #PE07014

    • Status:
      CLOSED
    • Date Opened: March 13, 2007
    • Date Closed: June 12, 2007
    • Recall: no recall issued

    Component(s): Fuel System, Gasoline:Storage:Tank Assembly
    Fuel System, Other:Delivery:Hoses, Lines/Piping, And Fittings

    Summary: In June 2007, GM will expand its special policy to address fuel tank inlet check valve (icv) fractures on certain model year (my) trailblazer ext and GMC Envoy XL vehicles.the expanded policy covers MY 2002-2004 trailblazer ext, GMC Envoy XL, and GMC Envoy xuv vehicles and will extend for a period of 10 years or 150,000 miles (whichever comes first).GM will provide free repair of the fuel tank. It is sending letters to owners beginning in June of 2007.this action supersedes GM's previous 7 year/70,000 mile special policy for MY 2002 trailblazer ext and Envoy XL vehicles.the condition is most often reported as illumination of the service engine soon (ses) light.the vehicle's diagnostic system detects the presence of a fuel system pressure leak and illuminates the ses light.other owners report smelling gasoline fumes. The action taken by the manufacturer is sufficient to resolve the issues raised by this investigation.the closing of this investigation does not constitute a finding by NHTSA that no safety-related defect exists.the Agency reserves the right to take further action if warranted by the circumstances.

    NHTSA: For detailed information & supporting documents, see the official NHTSA page concerning investigation #PE07014 »

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