Module Communications Network

• Description And Operation
  • Communications Network - Overview
  • Communications Network - System Operation and Component Description
    • Module Network Chart
    • Network Termination
    • Gateway Module
    • High Speed Controller Area Network 1 and 2 (HS-CAN1, HS-CAN2)
    • High Speed Controller Area Network 3 (HS-CAN3)
    • Medium Speed Controller Area Network (MS-CAN)
    • Controller Area Network (CAN) Fault Tolerance
      • Notes
      • Fault Tolerance Normal Operation
      • CAN Circuits Shorted Together
      • CAN (+) Circuit Shorted to Ground
      • CAN (-) Circuit Shorted to Ground
      • CAN (+) Circuit Shorted to Battery Voltage
      • CAN (-) Circuit Shorted to Battery Voltage
      • CAN Circuit Signal Corruption
    • Controller Area Network (CAN) Multiplex Messages
• Diagnosis And Testing
  • Communications Network
    • GWM
      • DTC Chart: GWM
    • IPC
      • DTC Chart: IPC
    • Symptom Chart(s)
      • Symptom Chart: Communication Network
    • Pinpoint Tests
      • Pinpoint Test A: The Powertrain Control Module (Pcm) Does Not Respond To The Diagnostic Scan Tool
        • Notes
        • Pinpoint Test A: The Powertrain Control Module (Pcm) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test B: The Transmission Control Module (TCM) Does Not Respond To The Diagnostic Scan Tool
        • Notes
        • Pinpoint Test B: The Transmission Control Module (TCM) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test C: The Gearshift Module (GSM) Does Not Respond To The Diagnostic Scan Tool
        • Notes
        • Pinpoint Test C: The Gearshift Module (GSM) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test D: The Anti-Lock Brake System (Abs) Module Does Not Respond To The Diagnostic Scan Tool
        • Notes
        • Pinpoint Test D: The Anti-Lock Brake System (Abs) Module Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test E: The Vehicle Dynamics Control Module (VDM) Does Not Respond To The Diagnostic Scan Tool
        • Notes
        • Pinpoint Test E: The Vehicle Dynamics Control Module (VDM) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test F: The Restraints Control Module (RCM) Does Not Respond To The Diagnostic Scan Tool
        • Notes
        • Pinpoint Test F: The Restraints Control Module (RCM) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test G: The BECMB (Battery Energy Control Module B) Does Not Respond To The Diagnostic Scan Tool
        • Notes
        • Pinpoint Test G: The BECMB (Battery Energy Control Module B) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test H: The OCSM (Occupant Classification System Module) Does Not Respond To The Diagnostic Scan Tool
        • Notes
        • Pinpoint Test H: The OCSM (Occupant Classification System Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test I: The Occupant Classification System (OCS) Translator Does Not Respond To The Diagnostic Scan Tool
        • Notes
        • Pinpoint Test I: The Occupant Classification System (OCS) Translator Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test J: The Steering Column Control Module (SCCM) Does Not Respond To The Diagnostic Scan Tool
        • Notes
        • Pinpoint Test J: The Steering Column Control Module (SCCM) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test K: The Steering Angle Sensor Module (SASM) Does Not Respond To The Diagnostic Scan Tool
        • Notes
        • Pinpoint Test K: The Steering Angle Sensor Module (SASM) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test L: The Instrument Panel Cluster (IPC) Does Not Respond To The Diagnostic Scan Tool
        • Notes
        • Pinpoint Test L: The Instrument Panel Cluster (IPC) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test M: The Body Control Module (BCM) Does Not Respond To The Diagnostic Scan Tool
        • Notes
        • Pinpoint Test M: The Body Control Module (BCM) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test N: The Heating, Ventilation And Air Conditioning (HVAC) Module Does Not Respond To The Diagnostic Scan Tool
        • Notes
        • Pinpoint Test N: The Heating, Ventilation And Air Conditioning (HVAC) Module Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test O: The Audio Control Module (ACM) Does Not Respond To The Diagnostic Scan Tool
        • Notes
        • Pinpoint Test O: The Audio Control Module (ACM) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test P: The Accessory Protocol Interface Module (APIM) Does Not Respond To The Diagnostic Scan Tool
        • Notes
        • Pinpoint Test P: The Accessory Protocol Interface Module (APIM) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test Q: The TELEMATIC Control Unit Module (TCU) Does Not Respond To The Diagnostic Scan Tool
        • Notes
        • Pinpoint Test Q: The TELEMATIC Control Unit Module (TCU) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test R: The Radio Transceiver Module (RTM) Does Not Respond To The Diagnostic Scan Tool
        • Notes
        • Pinpoint Test R: The Radio Transceiver Module (RTM) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test S: The Door Latch Control Module (DCME) Does Not Respond To The Diagnostic Scan Tool
        • Notes
        • Pinpoint Test S: The Door Latch Control Module (DCME) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test T: The Head Up Display (HUD) Module (Shift Indicator) Does Not Respond To The Diagnostic Scan Tool
        • Notes
        • Pinpoint Test T: The Head Up Display (HUD) Module (Shift Indicator) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test U: The Gateway Module (GWM) Does Not Respond To The Diagnostic Scan Tool
        • Notes
        • Pinpoint Test U: The Gateway Module (GWM) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test V: No High Speed Controller Area Network 1 (HS-Can1) Communication, All Modules Are Not Responding
        • Notes
        • Pinpoint Test V: No High Speed Controller Area Network 1 (HS-Can1) Communication, All Modules Are Not Responding
      • Pinpoint Test W: No High Speed Controller Area Network 2 (HS-Can2) Communication, All Modules Are Not Responding
        • Notes
        • Pinpoint Test W: No High Speed Controller Area Network 2 (HS-Can2) Communication, All Modules Are Not Responding
      • Pinpoint Test X: No High Speed Controller Area Network 3 (HS-Can3) Communication, All Modules Are Not Responding
        • Notes
        • Pinpoint Test X: No High Speed Controller Area Network 3 (HS-Can3) Communication, All Modules Are Not Responding
      • Pinpoint Test Y: No Medium Speed Controller Area Network (Ms-Can) Communication, All Modules Are Not Responding
        • Notes
        • Pinpoint Test Y: No Medium Speed Controller Area Network (Ms-Can) Communication, All Modules Are Not Responding
      • Pinpoint Test Z: No Power To The Data Link Connector (DLC)
        • Notes
        • Pinpoint Test Z: No Power To The Data Link Connector (DLC)
• General Procedures
  • No Communication Between the Integrated Diagnostic System (IDS) and the Vehicle
• Removal And Installation
  • Gateway Module A (GWM)
    • Notes
    • Removal
    • Installation