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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Power Door Lock System And Release Systems >> Diagnostic Information and Procedures >> Power Door Lock Key Cylinder Switches Malfunction >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON
  2. Command all doors to LOCK with a scan tool.
  3. Verify the passenger and rear doors UNLOCK when inserting the key into the door lock key cylinder and turning the key to the unlock position.
    • If the passenger and rear doors does not UNLOCK 

      Refer to Circuit/System Testing.

    • If the passenger and rear doors UNLOCKS 
  4. All OK.
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