Data Link Communication System
- Specifications
- Schematic & Routing Diagrams
- Component Locator
- Diagnostic Information & Procedures
- Diagnostic Starting Point - Data Link
- Diagnostic Trouble Code (DTC) List
- DTC U1000 & U1255: Critical Operating Parameter Has Not Been Associated
- DTC U1001 to U1254: Module U1XXX Error
- DTC U1300, U1301 & U1305: Class 2 Serial Data Circuit Voltage High/Low
- Symptoms - Data Link Communications
- Scan Tool Does Not Power Up
- Scan Tool Does Not Communicate With Class 2 Device
- Repair Instructions
- Description & Operation