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Home >> GMC >> 2014 >> Sierra 2500 HD SLT, 6.6L Eng VIN 8, RWD >> Repair and Diagnosis >> Engine Performance >> System >> Data Communication System >> Diagnostic Information and Procedures >> DTC U1812: Battery Energy Control Module Bus B >> Conditions for Setting the DTC

Conditions for Setting the DTC

The drive motor generator battery control module did not receive voltage from the SDG module on the wake up signal circuit.