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Home >> Buick >> 2001 >> LeSabre Limited, 4T65E/MN3 >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Anti-Theft System >> Diagnostic Tests >> DTC B3031: Key Decoder In Learn Mode >> Circuit Description

Circuit Description

VTD 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.

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