Data Link Communications System
- Schematic and Routing Diagrams
- Component Locator
- Visual Identification
- Diagnostic Information and Procedures
- Diagnostic Starting Point - Data Link Communications
- Scan Tool Diagnostics
- Diagnostic Trouble Code (DTC) List
- DTC U1300 Class 2 Data Link Low
- DTC U1301 Class 2 Data Link High
- DTC U1001 to U1254: Module U1XXX Communication
- Scan Tool Does Not Power Up
- Scan Tool Does Not Communicate with Class 2 Device
- Class 2 Communication Malfunction
- Scan Tool Does Not Communicate with E and C Data Line
- Control Module References
- Description and Operation