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Home >> Cadillac >> 2009 >> Escalade Base, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 16 (Hybrid Cooling System) >> Diagnostic Information and Procedures >> DTC P0BC1 >> Circuit/System Verification

Circuit/System Verification

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Ignition ON, engine OFF, with scan tool, command the battery pack vent fan speed to 60 percent duty cycle. The battery vent fan should turn ON and run at a medium-high speed.