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Home >> Cadillac >> 2017 >> CT6 Plug-In >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Data Communication System - DTC U182D To U3012 And Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC U183E: Lost Communication with Telematics Communication Interface Control Module on Low Speed CAN Bus >> Diagnostic Fault Information
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Diagnostic Fault Information

Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
B+ U183E U183E - -
Ignition U183E U183E - -
Serial Data Communication Enable U1814, U2099 U183E - -
Low Speed GMLAN Serial Data U0078* U0078, U183E U0078* -
Ground - U183E - -
* Scan Tool Does Not Communicate With Low Speed GMLAN Device