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GMC Truck
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1999
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C 2500 Suburban 2WD V8-6.5L DSL Turbo VIN F
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Testing and Inspection
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Scan Tool Testing and Procedures
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Scan Tool Testing & Procedures - Antitheft Systems
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Scan Tool Data List
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PASSLOCK State
PASSLOCK State
Displays
IGNITION OFF/ NORMAL DECISION/LEARNED PASSLOCK/ TAMPER/MONITOR PASSLOCK/FAIL ENABLED/FAIL ENABLED DEC/SEEDKEY LRN PEND/SEEDKEY LEARN/AUTO LRN PEND/AUTO LEARN: The display refers to the state of the PASSLOCK (TM) system.