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Home >> Buick >> 2004 >> Century Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 123 (Shift Interlock System) >> Diagnostic Information and Procedures >> DTC B2705 >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2004 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.

The body control module (BCM) controls the automatic transmission shift lock control solenoid by providing battery voltage to the automatic transmission shift lock control solenoid. The BCM utilizes a smart driver to control the voltage supplied to the automatic transmission shift lock control solenoid. The smart driver monitors the voltage and current flow of the control circuit.