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Home >> Buick >> 2016 >> Regal GS, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Data Communication System - Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC U1811: Battery Energy Control Module Powertrain Expansion CAN Bus Off Malfunction >> Conditions for Setting the DTC
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Conditions for Setting the DTC

The device setting the DTC has attempted to establish communications on the serial data circuits for more than 1.4 seconds without success.