GM Service Manual Online
For 1990-2009 cars only
Makes
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GMC_Truck
🢒
1999
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Jimmy - 4WD
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Body and Accessories
🢒 Data Link Communications
Body and Accessories
All Component Locator
Data Link Communications Component Views
Data Link Communications Components
All Description and Operation
Data Link Communications Circuit Description
All Special Tools and Equipment
Special Tools
All Visual Identification
Data Link Communications Connector End Views
Diagnostic Procedures
Diagnostic System Check - Data Link Communications
Scan Tool Does Not Communicate with Class 2 Data Line
Scan Tool Does Not Communicate with Heater and Air Conditioning (A/C) Control
Scan Tool Does Not Communicate with UART Data Line
Scan Tool Inoperative
Diagnostic Trouble Codes
DTC U1000 Class 2 Communication Malfunction
DTC U1016 Loss of Communications with PCM
DTC U1026 Loss of ATC Class 2 Communication
DTC U1041 Loss of EBCM Communication
DTC U1064 Loss of Communications with BCM
DTC U1192 Loss of Communications with VTD
DTC U1193 Loss of VIM Class 2 Communication
DTC U1255 Class 2 Communication Malfunction
DTC U1300 Class 2 Data Link Low
DTC U1301 Class 2 Data Link High
Electrical/Electronic Schematic Diagrams
Data Link Communications Schematic Icons
Data Link Communications Schematic References
Data Link Connector Schematics