Operation CHARM
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GMC Truck
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2000
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Safari Van 2WD V6-4.3L VIN W
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Repair and Diagnosis
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Powertrain Management
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Relays and Modules - Powertrain Management
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Relays and Modules - Computers and Control Systems
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Body Control Module
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Testing and Inspection
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Scan Tool Testing and Procedures
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Scan Tool Data Definitions
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Outputs
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Dimming
Dimming
The scan tool displays the state of the panel dimmer switch. The scan tool displays ACTIVE when the park lamps are ON.