Data Link Communication System
- Specifications
- Schematic & Routing Diagrams
- Component Locator
- Diagnostic Information & Procedures
- Diagnostic Starting Point - Data Link Communications
- Diagnostic Trouble Code (DTC) List
- DTC U1000 & U1255: Critical Operating Parameter Has Not Been Associated
- DTC U1001 to U1254: Message From A Learned Identification Number Has Not Been Detected
- DTC U1300, U1301, or U1305: No Valid Messages Are Detected On The Class 2 Serial Data Circuit
- Symptoms - Data Link Communications
- Scan Tool Does Not Power Up
- Scan Tool Does Not Communicate with Class 2 Device
- Repair Instructions
- Description & Operation