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Home >> Chevrolet >> 2015 >> Impala Limited Police >> Repair and Diagnosis >> External Pages >> Different car >> Section 114 (Object Detection System And Pedestrian Protection System) >> Diagnostic Information and Procedures >> DTC B127B: Rearview Camera Input Signal Circuit >> Diagnostic Fault Information
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Diagnostic Fault Information

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Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Ignition 1 B127B 2B, 1 - -
Backup Signal B127B 2B, 1 B127B 2B, 1 2 -
Camera Module signal + 1 B127B 2B, 1 B127B 2B, 1 -
Camera Module signal - 3 B127B 2B, 1 B127B 2B, 1 -
Ground - B127B 2B, 1 - -
Shield 3 B127B 2B, 1 3 -
1. Rear Vision Camera Malfunction
2. Rear Vision Camera image always displayed
3. Poor Quality Image