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Home >> Cadillac >> 2014 >> CTS Vsport Premium >> Repair and Diagnosis >> Accessories & Equipment >> Memory Modules >> Secondary And Configurable Customer Control System - Sedan >> Diagnostic Information and Procedures >> DTC B3622: Heated Seat Module/Signal Circuit Protection Time-Out >> Circuit/System Description
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Circuit/System Description

The Steering Wheel Controls are divided into a right-hand set and left-hand set. The right-hand switch is connected to the IPC LIN serial data and provides input from the left-hand switches. The IPC identifies the switch selection and activates the feature.