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Home >> Buick >> 2017 >> Envision Preferred, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Object Detection System And Pedestrian Protection System >> Diagnostic Information and Procedures >> DTC B0967 or B0968: Parking Assist On/Off Switch >> Circuit/System Verification
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Circuit/System Verification

  1. Ignition ON.
  2. Verify the scan tool Park Assist Switch parameter changes between Active and Inactive when cycling the parking assist switch.
    • If the parameter does not change between Active and Inactive 

      Refer to Parking Assist Switch Malfunction.

    • If the parameter changes between Active and Inactive 
  3. Verify the Park Assist Switch Indicator turns ON and OFF when cycling the parking assist switch.
    • If the indicator does not turn ON and OFF 

      Refer to Parking Assist Indicator Malfunction.

    • If the indicator turns ON and OFF 
  4. All OK.
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