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Home >> Buick >> 2012 >> Regal Turbo, Automatic Trans >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Interior/Illumination Lights >> Lighting System >> Diagnostic Information and Procedures >> DTC B3884 >> Conditions for Setting the DTC

Conditions for Setting the DTC

B3884 02 

The BCM detects a short to ground on the center high mounted brake lamp control circuit.

B3884 04 

The BCM detects an open circuit on the center high mounted brake lamp control circuit.