FORD FOCUS - NO START - IMMOBILIZER PROBLEM? (2023 Update)

Everything works but sometimes no start thinking it chip in key or wire under drivers seat for alarm . I'm doing more trouble shooting today. New relay starter was tested new switch behind where key switch is . Could be running hot but not over heating. I'm a shade tree mechanic these newer cars and computers. The alarm box for doors locking .push bottom been gone for months . I'ma trying

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Stu
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