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Home >> Buick >> 2017 >> Envision Base >> Repair and Diagnosis >> Engine Performance >> System >> Data Communication System - Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> Scan Tool Does Not Communicate with Gateway Isolated High Speed GMLAN Device >> 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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