Data Link Communications
- 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 Malfunction
- DTC U1001 To U1254: Module U1XXX Communication
- DTC U1300, U1301 Or U1305: Class 2 Shorted
- DTC U2100: CAN Bus Communication
- DTC U2102 Or U2103: Controller Error
- DTC U2104: Controller Area Network (CAN) Bus Reset Counter Overrun
- DTC U2105, U2106, U2107, U2108: Lost Communications
- 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 Keyword Data Line
- Description and Operation