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Home >> GMC >> 2021 >> Yukon AT4 >> Repair and Diagnosis >> Body & Frame >> Ignition Switch/Steering Lock >> Immobilizer System >> Diagnostic Information and Procedures >> DTC B15EE >> Circuit/System Description

Circuit/System Description

The interior keyless entry antenna 1 is located inside of the center console underneath the cup holder and 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.

On vehicles with 9C1 the interior keyless entry antenna is located in the instrument panel.