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Home >> GMC >> 2017 >> Acadia SL >> Repair and Diagnosis >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Object Detection System And Pedestrian Protection System >> Diagnostic Information and Procedures >> DTC B399A: Frontview Camera Supply Circuit Short >> Diagnostic Fault Information

Diagnostic Fault Information

Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
6 V Reference B390F 08, B399A 02 B390F 08, 1 B399A 01 -
Video Signal + 1, 2 1 1, 2 -
Video Signal - 1, 2 1 1, 2 -
Low Reference - B390F 08, 1 - -
1. Camera inoperative
2. Poor image quality displayed from camera
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