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Home >> Buick >> 2012 >> Regal Turbo, Automatic Trans >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Headlights >> Lighting System >> Diagnostic Information and Procedures >> DTC B2585 or B3867 >> Conditions for Running the DTC

Conditions for Running the DTC

B2585 01 

Headlamp switch in OFF position.

B2585 02 or B2585 04 

Park lamps are switched ON.

B3867 01, B3867 02 or B3867 04 

Park lamps are switched ON.

B3867 02 

Headlamp switch in park or low beam position.

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