Data Communication System
- General Description
- Schematic & Routing Diagram
- Component Location
- Diagnostic Information & Procedures
- Diagnostic Starting Point - Data Communications
- DTC Table
- DTC B1000
- DTC B1001
- DTC B1016
- DTC U0073
- DTC U0100-U0299
- DTC U1500
- DTC U1814
- DTC U2099
- DTC U2100
- 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
- Illuminated Entry Lamps Inoperative
- Power Mode Mismatch
- Retained Accessory Power (RAP) Malfunction
- Data Link References
- Repair Instructions
- Special Tools & Equipment