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Home >> Cadillac >> 2003 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 655 (Theft Deterrent System) >> Diagnostic Information and Procedures >> DTC B3031: Key Decoder Device in Assem Learn Mode >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2004 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.

If the Learn Coded Key setting is on, the theft deterrent control module sets this DTC.

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