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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 >> Test Description

Test Description

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.

The number below refers to the step number on the diagnostic table.

  1. 2. To set this code, a key with a working transponder was read by the theft deterrent control module. For that key to operate the vehicle a 10 minute or 30 minute Re-Learn Procedure must be performed.
    Fig 1: DTC B3031 Diagnosis
    G01517933Courtesy of GENERAL MOTORS CORP.

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