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Home >> GMC >> 2015 >> Yukon SLE, 4WD >> Repair and Diagnosis >> Engine Performance >> System >> Data Communication System - Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC U0074: Control Module Communication Bus B Off (Chassis Expansion Bus) >> DTC Descriptor

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DTC Descriptor

DTC U0074: Control Module Communication Bus B Off

For symptom byte information, refer to Symptom Byte List .

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