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Home >> Lincoln >> 2018 >> MKZ Select, FWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Steering Column Switches >> Steering Wheel And Column Electrical Components (Except Hybrid) >> Description And Operation >> Steering Wheel and Column Electrical Components - System Operation and Component Description >> Component Description >> BCM
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Component Description: BCM

The BCM determines the vehicle ignition mode based on the ignition switch input, the stoplamp switch input and RTM messages. The BCM communicates the ignition mode to the other modules over the CAN. The BCM monitors the ignition switch input and the ignition mode outputs. If a fault is detected in the ignition system, Diagnostic Trouble Codes (DTCs) are set in the BCM. Refer to: Module Controlled Functions - System Operation and Component Description .