CUSTOMER CONCERN Remote and door-button locks do not operate, the security indicator does not flash, and the vehicle reports a smart-key/security system fault. CAUSE The door-control receiver circuit lost operation at the left-door harness connection. Manipulating the harness restored the system, and the confirmed repair identified the receiver wiring/connector as the fault. CORRECTION Repair the door-control receiver wiring and reseat the left-door harness connector, then ve