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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1205 (Theft Deterrent System) >> Diagnostic Information and Procedures >> DTC B2722: Invalid PASS-Key® Resistance Detected >> Test Description

Test Description

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

  1. This test verifies the integrity of the key resistor circuits between the ignition switch and the BCM.
    Fig 1: DTC B2722
    G01454083Courtesy of GENERAL MOTORS CORP.