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Home >> GMC >> 2021 >> Terrain SLT, 4WD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Data Communications - Diagnostic Information And Procedures (2 Of 2) >> Diagnostic Information and Procedures >> Scan Tool Does Not Communicate with Gateway Expansion High Speed GMLAN Device >> Diagnostic Fault Information

Diagnostic Fault Information

Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Gateway Expansion High Speed GMLAN Serial Data (+)
or High Speed GMLAN Serial Data (+) (8)		 U007B U007B U007B -
Gateway Expansion High Speed GMLAN Serial Data (-)
or High Speed GMLAN Serial Data (-) (8)		 U007B U007B U007B -
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