Body and Accessories

All Component Locator

• Data Link Communications Component Views
• Data Link Communications Components

All Description and Operation

• Data Link Communications Circuit Description

All Visual Identification

• Data Link Communications Connector End Views

Diagnostic Procedures

• Control Module References
• Diagnostic Starting Point
• DTC U1XXX Loss of XXX Communication
• Scan Tool Does Not Communicate with Class 2 Data Line
• Scan Tool Does Not Communicate with Class 2 Device
• Scan Tool Does Not Communicate with E and C Data Line
• Scan Tool Does Not Communicate with Electronic Brake Control Module
• Scan Tool Does Not Communicate with UART Data Line
• Scan Tool Does Not Communicate with Vehicle Control Module/Powertrain Control Module
• Scan Tool Does Not Power Up

Diagnostic Trouble Codes

• DTC U1016 Loss of Class 2 Communication with VCM
• DTC U1016 Loss of Communications with PCM
• DTC U1026 Loss of ATC Class 2 Communication
• DTC U1041 Loss of EBCM Communication
• DTC U1192 Loss of VTD Class 2 Serial Data Com
• DTC U1255 Serial Data Line Malfunction
• DTC U1300 Class 2 Data Link Low
• DTC U1301 Class 2 Data Link High

Electrical/Electronic Schematic Diagrams

• Data Link Communications Schematic Icons
• Data Link Connector Schematics