Home >> Cadillac >> 2016 >> ELR >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Data Communication System - DTC B1000 To DTC U183B >> Diagnostic Information and Procedures >> DTC U182E or U182F: Drive Motor Control Module Lost Communication with Hybrid Powertrain Control Module on Powertrain Expansion Communication Bus >> Circuit/System Verification