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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 52 (HVAC System - Automatic) >> Diagnostic Information and Procedures >> DTC B0414, B0424, B3748, or B3749 >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2005 Buick LaCrosse and 2005 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.

The HVAC control module does not detect any movement of the actuator.

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