LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2014 >> Escalade Base, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> Power Door Lock System And Release Systems >> Diagnostic Information and Procedures >> DTC B153F: Liftgate Object Sensor >> Circuit/System Verification
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Circuit/System Verification

  1. Ignition ON.
  2. Verify the scan tool Object Detection Sensor Status parameter is between 3V-3.5V.
    • If not between 3V-3.5V  

      Refer to Circuit/System Testing.

    • If between 3V-3.5V 
  3. Verify the scan tool Object Detection Sensor Status parameter is between 3V-3.5V and changes to 2.25-2.75V as the B71R liftgate object sensor-right is pressed.
    • If not between 2.25-2.75V or does not change 

      Test or replace the B71R liftgate object sensor-right.

    • If between 2.25-2.75V and changes 
  4. Verify the scan tool Object Detection Sensor Status parameter is between 3V-3.5V and changes to 2.25-2.75V as the B71L liftgate object sensor-left is pressed.
    • If not between 2.25-2.75V or does not change 

      Test or replace the B71L liftgate object sensor-left.

    • If between 2.25-2.75V and changes 
  5. All OK.