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Home >> Buick >> 2007 >> Allure CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 63 (Seat Heating System & Seat Cooling System) >> Diagnostic Information and Procedures >> DTC B2508 or B2509 >> Conditions for Setting the DTC >> B2509

Conditions for Setting the DTC: B2509

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.

The DTC will set when the BCM detects a short to ground or voltage in the passenger heated seat relay control circuit.