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Home >> Cadillac >> 2018 >> CT6 Plug-In >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Shift Lock Control System >> Diagnostic Information and Procedures >> DTC B270A >> Circuit/System Description
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Circuit/System Description

The body control module controls the transmission shift lock control solenoid actuator by providing a battery positive voltage to the solenoid when the brake pedal is applied. The body control monitors the voltage and current flow of the control circuit.