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Home >> Buick >> 2023 >> Envision Preferred, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Anti-Theft Systems >> Keyless Entry System And Remote Functions >> Diagnostic Information and Procedures >> DTC B1442 >> Circuit/System Description

Circuit/System Description

The interior keyless entry antenna 1 is used to establish low frequency communications with the keyless entry transmitter. As the ignition switch is pressed the BCM will transmit low frequency signals to this interior keyless entry antenna 1.

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