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Home >> GMC >> 2016 >> Yukon Denali, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 91 (Object Detection System And Pedestrian Protection System) >> 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 does not describe the selected car, but rather 6 other vehicles, including the 2015 GMC Yukon XL, 2015 GMC Yukon, 2015 Chevrolet Tahoe, 2015 Chevrolet Suburban, and 2015 Cadillac Escalade ESV. 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