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Home >> Cadillac >> 2021 >> CT4 Sport, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 86 (Image Display Cameras) >> Diagnostic Information and Procedures >> DTC B1A6C >> Circuit/System Description

Circuit/System Description

WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.

The surround vision camera system has a X20 Card Reader Receptacle located in the luggage compartment. The X20 Card Reader Receptacle interfaces with the K157 Video Processing Module via a USB cable. The X20 Card Reader Receptacle also receives fused battery voltage and ground from the K157 Video Processing Module. The K157 Video Processing Module uses the memory card as a mass storage device, similar to a USB storage device.

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