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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1427 (Theft Deterrent System & Anti-Theft System) >> Description and Operation >> Vehicle Theft Deterrent (VTD) Description and Operation >> SECURITY Indicator Operation >> SECURITY Indicator Illuminates when Engine is Running

SECURITY Indicator Illuminates when Engine is Running

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If the theft deterrent control module is unable to measure the ignition key transponder value or the PCM loses communication with the theft deterrent control module while the engine is running, the indicator will be illuminated.

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