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Home >> GMC >> 2019 >> Sierra 2500 HD Base, 2D Pickup, Gas >> Repair and Diagnosis >> Body & Frame >> Body, Cab Control Systems >> Vehicle Access System >> Diagnostic Information and Procedures >> DTC B252E >> Circuit/System Verification

Circuit/System Verification

  1. Ignition - On / Vehicle - In Service Mode
  2. Perform the scan tool control function: Child Security Lock Indicator Command - Active & Inactive

    Verify the component turns On and Off: Child Security Lock/Window Lockout Switch Indicator

    • If the component does not turn On and Off 

      Refer to: Circuit/System Testing

    • Go to next step: If the component works as specified 
  3. All OK.
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