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Chevrolet
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1998
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Chevy Van G2500, Van Cargo Extended, 6.5 F
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Repair and Diagnosis
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Accessories & Equipment
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Communication Devices
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Data Link Communications System
Data Link Communications System
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Identification
Description & Operation
Notes
Class 2 And UART Communication
Component Locations
Trouble Shooting
Preliminary Inspection
Self-Diagnostic System
Notes
Diagnostic Trouble Code Definitions
Diagnostic Tests
DTC U1016: Loss Of Communications With Pcm/VCM
DTC U1255: Serial Data Line Malfunction
System Tests
Data Link Communications System Check
Scan Tool Inoperative
Scan Tool Does Not Communicate With Components
Connector Identification
Wiring Diagrams