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Home >> Buick >> 2001 >> Park Avenue Base >> Repair and Diagnosis (Single Page) >> Body & Frame >> Door Locks >> Anti-Theft System >> Diagnostic Trouble Code Definitions >> DTC B3031: Key Decoder In Learn Mode >> Circuit Description
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Circuit Description

Theft deterrent control module checks memory to see if learn code key setting is on. If learn code key setting is on, DTC B3031 is set and SECURITY indicator light is illuminated.