Body and Accessories

All Component Locator

• Data Link Communications Component Views
• Data Link Communications Components

All Description and Operation

• Data Link Communications Circuit Description
• Data Link Communications Operation

All Visual Identification

• Data Link Communications Connector End Views

Diagnostic Procedures

• Class 2 Communication Malfunction
• Control Module References
• Diagnostic Starting Point
• Diagnostic Trouble Code (DTC) List
• DTC U1XXX Lost Communication with XXX
• Scan Tool Diagnostics
• Scan Tool Does Not Communicate with Class 2 Device
• Scan Tool Does Not Power Up

Diagnostic Trouble Codes

• DTC U1300 Class 2 Data Link Low
• DTC U1301 Class 2 Data Link High
• DTC U1305 Class 2 Data Link Low or High

Electrical/Electronic Schematic Diagrams

• Data Link Communications Schematic Icons
• Data Link Connector Schematics