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Home >> Buick >> 2020 >> Envision Base >> Repair and Diagnosis (Single Page) >> Body & Frame >> Body, Cab Control Systems >> Vehicle Access System >> Diagnostic Information and Procedures >> DTC B153F - Liftgate Object Sensor Malfunction >> Component Testing

Component Testing

  1. Ignition/Vehicle - Off
  2. Disconnect the appropriate electrical connector: B71R Liftgate Object Sensor - Right or B71L Liftgate Object Sensor - Left
  3. Test for 8 kohms to 12 kohms between the test points: Signal terminal 2 & Low Reference terminal 1 - Not Pressed
    • If not between 8k and 12k ohms 

      Replace the component: B71R Liftgate Object Sensor - Right or B71L Liftgate Object Sensor - Left

    • Go to next step: If between 8k and 12k ohms 
  4. All OK.
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