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Home >> Cadillac >> 2017 >> ATS Base, 4D Sedan, RWD, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 174 (Cellular System, Entertainment System, And Navigation System - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC B128B: Video Display Output Signal - Signal Amplitude >> 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
Rear Display B+ B1280 18* B1280 18* - -
Rear Display Control B1280 18* B1280 18* - -
Rear Display Ground - B1280 18* - -
LVDS Cable B128B 18* B128B 18* B128B 18* -
* One or both rear seat entertainment displays inoperative
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