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Home >> Buick >> 2016 >> Regal Base, 2.0L Eng VIN X, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Data Communication System - Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC U1844: Battery Energy Control Module Lost Communication with Hybrid Powertrain Control Module on Powertrain Expansion CAN Bus Malfunction >> Diagnostic Instructions
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Diagnostic Instructions