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Home >> Chevrolet >> 2012 >> Corvette Base, 2D Convertible, Automatic Trans >> Repair and Diagnosis >> Steering >> Steering Wheel And Steering Column >> Diagnostic Information and Procedures >> Service Column Lock Indicator Inoperative >> Circuit/System Description
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Circuit/System Description

The instrument panel cluster (IPC) illuminates the Service Column Lock indicator by supplying ground to the lamp. The steering column lock control module (SLCM) sends a serial data messages to the IPC, in order to command the indicator ON or OFF.

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