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Home >> Chevrolet >> 1999 >> Astro Van 2WD V6-4.3L VIN W >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Scan Tool Testing and Procedures >> Scan Tool Data, Normal Values and Definitions >> Scan Tool Data Definitions - Powertrain Systems >> VTD Auto Learn Timer
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VTD Auto Learn Timer

ACTIVE/INACTIVE
The Auto Learn Timer will indicate if the Vehicle Theft Deterrent (VTD) system is currently in the auto learn Mode. The auto learn mode requires approximately 10 minutes to complete.
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