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Home >> Cadillac >> 2014 >> Escalade ESV Base, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Data Communication System >> Diagnostic Information and Procedures >> DTC U1878: Drive Motor B Control Module Lost Communication With Battery Energy Control Module >> Circuit/System Verification
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Circuit/System Verification

With a scan tool, ensure the following DTCs are not present in the modules as follows:

BCM

U2099

PSCM

U0146

SDGM

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