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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 246 (Power Door Lock System And Release Systems - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC B3930: Child Security Lock Motors Circuit >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition » On / Vehicle » In Service Mode
  2. Perform the scan tool control function:Child Security Lock Motors»On

    Verify the correct operation:

    • Interior Door Handle@Left Rear Door»Disabled
    • Interior Door Handle@Right Rear Door»Disabled
    • If none of the components work properly 

      Refer to: Circuit/System Testing

    • If the component works as specified 
  3. Perform the scan tool control function:Child Security Lock Motors»Off

    Verify the correct operation:

    • Interior Door Handle @Left Rear Door»Enabled
    • Interior Door Handle @Right Rear Door»Enabled
    • If none of the components work properly 

      Refer to: Circuit/System Testing

    • If the component works as specified 
  4. All OK.
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