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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 887 (Theft Deterrent System) >> Diagnostic Information and Procedures >> DTC B3031: Learn Coded Key Setting Active >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2003 Pontiac Aztek and 2003 Buick Rendezvous. 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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