NHTSA Defect Investigations for the 1999 Cadillac DeVille

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 1999 Cadillac DeVille, both ongoing and closed, are listed below:

  1. INVESTIGATION: INADVERTENT OF SIDE IMPACT AIR BAG

    NHTSA Engineering Analysis #EA00004

    Component(s): Air Bags:Side/Window

    Summary: There is no summary currently available

  2. INVESTIGATION: INADVERTENT DEPLOYMENT OF SIDE AIR BAG

    NHTSA Preliminary Evaluation #PE99061

    • Status:
      CLOSED
    • Date Opened: September 27, 1999
    • Date Closed: February 15, 2000
    • Recall: No recall issued

    Component(s): Air Bags:Side/Window

    Summary: This side impact air bag can inadvertently deploy due to a number of root caused including: Erroneous acceleration inputs or false activation of the air bag deployment algorithm due to an electrical malfunction in the sensing and diagnostic module (SDM); false activation resulting from an electrical short in the SDM wiring harness; and false acceleration inputs resulting from improper SDM installation.in each case, it is possible for the inadvertent deployment to occur without warning.the scope of the engineering analysis is expanded to include MY 1997 Deville vehicles.ODI has identified 253 reports alleging inadvertent deployment of a side impact air bag on 1997-1999 Cadillac Deville vehicles.GM has made 8 modifications in the manufacturing or design of the side impact system in the subject vehicles some of which are focused on reducing the potential for an electrical short.inadvertent deployment of a side impact air bag can result in unwarranted injuries to occupants and presents the potential for loss of vehicle contol. An engineering analysis is warranted to determine if a potential safety defect exists.

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