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GMC Truck
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1999
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C 1500 Truck 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 Data, Normal Values and Definitions
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Scan Tool Data Definitions - Powertrain Systems
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PCM In VTD Fail Enable:
PCM In VTD Fail Enable:
The scan tool display is
Yes
or
No
.
This will indicate that the
PCM
received a good password from the Passlock module and the vehicle has started and a failure has occurred. The PCM will continue to enable fuel.