Data Link Communication System
- Schematic and Routing Diagrams
- Component Locator
- Diagnostic Information and Procedures
- Diagnostic Starting Point - Data Link Communications
- Diagnostic Trouble Code (DTC) List
- DTC U0073
- DTC U0100-U0299
- DTC U1000
- DTC U1001-U1254
- DTC U1300, U1301, or U1305
- DTC U2100
- DTC U2102 or U2103
- DTC U2105-U2199
- Symptoms - Data Link Communications
- Scan Tool Does Not Power Up
- Scan Tool Does Not Communicate with Class 2 Device
- Scan Tool Does Not Communicate with Low Speed GMLAN Device
- Scan Tool Does Not Communicate with Keyword Data Line
- Data Link References
- Description and Operation