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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 323 (Data Communication System - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC U18A7: Lost Communication with Power Supply Transformer on Powertrain Expansion CAN Bus >> DTC Descriptor

DTC Descriptor

WARNING: This page is about a different car, the 2017 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
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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