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GMC Truck
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2000
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K 2500 Truck 4WD V8-454 7.4L VIN J SFI
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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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Information Bus
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Testing and Inspection
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Scan Tool Testing and Procedures
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Serial Data Communications
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DTC Modes
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Fail This Ign. (Fail This Ignition)
Fail This Ign. (Fail This Ignition)
This selection displays all of the DTCs that have failed during the present ignition cycle.