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Home >> Cadillac >> 2007 >> STS V >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel System Displays And Gauges >> Diagnostic Information and Procedures >> Door Lock Indicator Malfunction >> Circuit/System Testing

Circuit/System Testing

  1. Ignition ON, scan tool installed and open the door with the inoperative door lock status indicator. Verify that the Lock Switch Indicator Command parameter does not cycle between On/Off.
    • If not, test the inoperative door lock status indicator supply voltage circuit and the ground circuit for a short to voltage, a short to ground and an open/high resistance. If the circuits test normal, replace the door lock status indicator.
  2. If all circuits tests normal, replace the appropriate door control module.
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