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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 868 (HVAC System - Manual) >> Diagnostic Information and Procedures >> DTC B0228, B0413, B0423, or B3779 >> Circuit/System Description >> DTC B0423

DTC B0423

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

This DTC is for the passenger air temperature actuator.

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