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Home >> Cadillac >> 2017 >> CT6 Plug-In >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> 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

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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