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Home >> Lincoln >> 2021 >> Aviator Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 657 (Steering Wheel And Column Electrical Components) >> Description And Operation >> Steering Wheel and Column Electrical Components - System Operation and Component Description >> Component Description >> Body Control Module

Body Control Module

WARNING: This page is about a different car, the 2020 Lincoln Aviator. However, it is still accessible from the selected car via links, so may be relevant.

The BCM controls the run/start relays and sets the vehicle ignition mode based on inputs from the ignition switch. It communicates the ignition mode to other modules over the CAN. If a fault is detected with the ignition switch system, Diagnostic Trouble Codes (DTCs) are set in the BCM.

The BCM requires at least 2 keys to be programmed and PMI when replaced. Additionally, the parameter reset procedure must be carried out.

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