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Home >> Cadillac >> 2017 >> ATS Base, 2D Coupe, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 264 (Object Detection System And Pedestrian Protection System - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC B127B: Rearview Camera Input Signal Circuit (UVH) >> Diagnostic Fault Information
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Diagnostic Fault Information

WARNING: This page is about a different car, the 2016 Cadillac CT6. However, it is still accessible from the selected car via links, so may be relevant.
Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Video Processing Control Module B+ B127B 2B, 1 B127B 2B, 1 - -
Video Processing Control Module Serial Data U0078, U0140, U0151, U0155, U0184, 1 B127B 2B, 1 U0078, U0140, U0151, U0155, U0184, 1 -
Video Processing Control Module signal + B127B 2B, 3 B127B 2B, 1 B127B 2B, 2 -
Video Processing Control Module signal - B127B 2B, 3 B127B 2B, 1 B127B 2B, 1 -
Video Processing Control Module Ground - B127B 2B, 1 - -
Shield - 3 - -
1. Video Processing Control Module inoperative
2. Video Processing Control Module image always displayed
3. Poor Quality Image