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Home >> Cadillac >> 2017 >> CT6 Plug-In >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Data Communication System - DTC B1000 To DTC U1818 >> Diagnostic Information and Procedures >> DTC U007C: Control Module Communication High Speed Extension CAN Bus 2 Off >> Diagnostic Fault Information

Diagnostic Fault Information

Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Gateway Isolated High Speed GMLAN Serial Data (+)
or High Speed GMLAN Serial Data (+) (9)		 U007C U007C U007C -
Gateway Isolated High Speed GMLAN Serial Data (-)
or High Speed GMLAN Serial Data (-) (9)		 U007C U007C U007C -
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