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Home >> Isuzu >> 2007 >> Ascender RWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Ignition Switch/Steering Lock >> Immobilizer System >> Description and Operation >> Immobilizer Description and Operation >> SECURITY Indicator Illuminated and Engine Does Not Start

SECURITY Indicator Illuminated and Engine Does Not Start

If the theft deterrent control module was unable to measure the ignition key transponder value or the PCM has detected a problem with the theft deterrent system. The theft system is in Learn Mode. Refer to Theft Deterrent Control Module Programming and Setup .