LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2015 >> XTS Base >> Repair and Diagnosis >> Body & Frame >> Body, Cab Control Systems >> Power Door Lock System And Release Systems >> Diagnostic Information and Procedures >> DTC B3930: Child Security Lock Motors Circuit >> Circuit/System Verification
April 5, 2026: LEMON Manuals is launched! Read the announcement.

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 open the rear doors 

      Refer to Circuit/System Testing.

    • 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 do not open the rear doors 

      Refer to Circuit/System Testing.

    • If both interior door handles open the rear doors 
  4. All OK.
scientia non olet · About LEMON Manuals