GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2000
🢒
Savana
🢒
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 Visual Identification
Data Link Communications Connector End Views
Diagnostic Procedures
Control Module References
Diagnostic Starting Point
Diagnostic Trouble Code (DTC) List
Scan Tool Does Not Communicate with Class 2 Device
Scan Tool Does Not Communicate with UART Data Line
Scan Tool Does Not Power Up
Diagnostic Trouble Codes
DTC U1000 and DTC U1255 Class 2 Communication Malfunction
DTC U1001-U1254 Lost Communication with XXX
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 Connector Schematics