Staff Answer
Aug 02, 2026 - 07:35 AM
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System Integration and BCM Monitoring: The Digital Key antenna modules located in the exterior door handles and interior cabin communicate directly with the Smart Key Unit and Body Control Module (BCM) over the internal CAN bus network.
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Power and Communication Reset: Software glitches or temporary communication drops between the smartphone wallet and the vehicle's exterior NFC transceivers can prevent touchless entry operations.
How to Fix It
If the vehicle repeatedly fails to respond to a registered smartphone digital key, perform an infotainment system reboot using the pin-hole reset button on the dash, check the vehicle battery state of charge, and use an advanced diagnostic scan tool to check for BCM communication error codes.
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