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Home >> Buick >> 2018 >> Envision Base >> Repair and Diagnosis >> Engine Performance >> System >> Data Communication System - Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC U18A7 >> DTC Descriptor

DTC Descriptor

DTC U18A7: Lost Communication with Power Supply Transformer on Powertrain Expansion CAN Bus

For symptom byte information, refer to Symptom Byte List .

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