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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 >> Code Enable Criteria
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Code Enable Criteria

If learn coded key setting is on, theft deterrent control module sets this DTC. Microprocessor runs program to detect a check sum error after each power up. This program runs only if DTC B1982 or B1983 are not set as current DTCs.