Module Communications Network

• Description & Operation
  • Notes
  • Repairing Bus Wiring
• Communication Network Diagnostics
  • Notes
  • Diagnostic Procedure Sequence
  • Equipment Hook-Up
  • Data Link Diagnostics
  • Retrieving Diagnostic Trouble Codes
  • Clearing Diagnostic Trouble Codes
  • On-Demand Self-Test
  • Retrieving Parameter Identification (PID) Information
  • Diagnostic Command
  • Module Version Identification
• Testing
  • Communication Network Failure
  • Test A: Data Link Diagnostics
  • Test B: No Response/Acknowledgment Received From All Modules On Circuit No. 914 (+) Or Circuit No. 915 (-)
  • Test C: Air Bag Diagnostic Monitor Does Not Respond To Scan Tester
  • Test D: Powertrain Control Module (Pcm) Does Not Respond To Scan Tester
  • Test E: Virtual Image Instrument Cluster (VIC) Does Not Respond To Scan Tester
  • Test F: Lighting Control Module (LCM) Does Not Respond To Scan Tester
  • Test G: Anti-Lock Brake System (Abs) Control Module Does Not Respond To Scan Tester
  • Test H: Driver's Seat Module (DSM) Does Not Respond To Scan Tester
  • Test J: Electronic Automatic Temperature Control (EATC) Module Does Not Respond To Scan Tester
  • Test K: Driver's Door Module (DDM) Does Not Respond To Scan Tester
  • Test L: Vehicle Dynamic Module (VDM) Does Not Respond To Scan Tester
  • Test M: Cellular Phone Module (CPM) Does Not Respond To Scan Tester
  • Test N: Front Control Unit (FCU) Does Not Respond To Scan Tester
  • Test P: Remote Emergency Satellite Cellular Unit (RESCU) Module Does Not Respond To Scan Tester
• Diagnostic Trouble Code (DTC) Definitions
• Wiring Diagrams