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GMC Truck
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1999
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C 1500 Truck 2WD V8-5.3L VIN T
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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 Data, Normal Values and Definitions
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Scan Tool Data Definitions - Powertrain Systems
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4WD Low
4WD Low
The scan tool displays Enabled or Disabled. The transfer case should be in 4WD low when the scan tool displays Enabled.