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Home >> Buick >> 2017 >> Verano Leather, Gas >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Data Communication System >> Diagnostic Information and Procedures >> DTC U0074: Control Module Communication Bus B Off >> 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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