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Home >> Buick >> 2013 >> Verano Base >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Power Door Lock System And Release Systems >> Diagnostic Information and Procedures >> DTC B3930 >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON.
  2. Verify both interior rear door handles do not open the rear doors when commanding the Child Security Lock Motors ON with a scan tool.
    • If both interior door handles do not open the rear doors 
  3. Verify both interior rear door handles will open the rear doors when commanding the Child Security Lock Motors OFF with a scan tool.
    • If both interior door handles open the rear doors 
  4. All OK.
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