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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 172 (Horn System) >> Diagnostic Information and Procedures >> DTC B2750 >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.

The BCM will set DTC B2750 as current whenever an improper voltage level is detected on the horn relay control circuit, for more than 15 seconds.

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