Data Communication System
- Schematic and Routing Diagrams
- Component Locator
- Diagnostic Information and Procedures
- Diagnostic Code Index
- Diagnostic Starting Point - Data Communications
- DTC B1000
- DTC B1001
- DTC B1004
- DTC B1009
- DTC B1016
- DTC U0073
- DTC U0100 - U0299
- DTC U1500
- DTC U1814
- DTC U2099
- DTC U2100
- DTC U2104
- DTC U2105-U2199 (Except U2142 and U2143)
- DTC U2105-U2199 (U2142 or U2143 only)
- Symptoms - Data Communications
- Scan Tool Does Not Power Up
- Scan Tool Does Not Communicate with High Speed GMLAN Device
- Scan Tool Does Not Communicate with Low Speed GMLAN Device
- Data Link References
- Repair Instructions
- Description and Operation