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Home › Cadillac › 2014 › Escalade Base, RWD › Repair and Diagnosis › Engine Performance › System › Data Communication System › Diagnostic Information and Procedures › DTC U1866: Battery Energy Control Module Lost Communication With Body Control Module › Circuit/System Verification

Circuit/System Verification

Verify that DTC U0140 is not set in the electronic brake control module (EBCM).

If DTC U0140 is present, refer to Diagnostic Trouble Code (DTC) List - Vehicle .