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GMC Truck
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2000
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K 3500 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
Information Bus
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Description and Operation
Data Link Communications Circuit Description
General Information
UART
Class 2
E&C Bus
Data Link Connector (DLC)
Remote CNTRL DR Lock RCVR (Remote Keyless Entry) Programming
Selectable Transfer Case Control Module (TCCM) Diagnostics
Testing and Inspection
Initial Inspection and Diagnostic Overview
Reading and Clearing Diagnostic Trouble Codes
Displaying & Reading Trouble Codes
With Diagnostic Scan Tool
Without Diagnostic Scan Tool
Clearing Trouble Codes
With Diagnostic Scan Tool
Without Diagnostic Scan Tool
Symptom Related Diagnostic Procedures
Scan Tool Does Not Communicate With Class 2 Device
Class 2 Device
Data Line
Scan Tool Does Not Communicate With E and C Data Line
Scan Tool Does Not Communicate With EBCM
Scan Tool Does Not Communicate With UART Data Line
Scan Tool Does Not Power Up
Scan Tool Testing and Procedures
Locations
