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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 (1 Of 2) >> Diagnostic Information and Procedures >> DTC U183E >> Diagnostic Fault Information

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 - -
Gateway Isolated Low Speed GMLAN Serial Data
or Low Speed GMLAN Serial Data #2		 U007D U183E U007D -
Ground - U183E - -
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