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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1382 (Hybrid Cooling System) >> Diagnostic Information and Procedures >> DTC P0BC1 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2009 GMC Sierra and 2009 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

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.

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