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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 97 (HVAC Systems - Manual) >> Diagnostic Information and Procedures >> DTC B0424, B3748 Or B3749 >> Conditions for Running the DTC

Conditions for Running the DTC

WARNING: This page is about a different car, the 2006 Buick LaCrosse and 2006 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.

The HVAC control module has performed an actuator index.

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