Section 100 (Data Link Communication System)
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- Schematic and Routing Diagrams
- Component Locator
- Diagnostic Information and Procedures
- Diagnostic Starting Point - Data Link Communications
- Diagnostic Trouble Code (DTC) List
- DTC U1000: Class 2 Data Link
- DTC U1001-U1254: Module U1XXX Communication
- DTC U1300, U1301, or U1305: Class 2 Data Link Shorted
- Symptoms - Data Link Communications
- Scan Tool Does Not Power Up
- Scan Tool Does Not Communicate with Class 2 Device (W/O Immobilizer)
- Scan Tool Does Not Communicate with Class 2 Device (W/ Immobilizer)
- Description and Operation