Controller Area Network (Can) Module Communications Network

• Description And Operation
  • Controller Area Network (CAN) Module Communications Network - System Operation and Component Description
    • Overview
    • System Diagram
    • Network Termination
    • Gateway Module
    • Flexible Data Rate Controller Area Network 1, 2, 3 (FD-CAN1, FD-CAN2 and FD-CAN3)
    • High Speed Controller Area Network 1, 2 and 3 (HS-CAN1, HS-CAN2 and HS-CAN3)
    • Medium Speed Controller Area Network (MS-CAN)
    • Controller Area Network (CAN) Fault Tolerance
    • Controller Area Network (CAN) Multiplex Messages
• Diagnosis And Testing
  • Controller Area Network (CAN) Module Communications Network
    • Diagnostic Trouble Code (DTC) Chart
    • Symptom Chart(s)
    • Pinpoint Tests
      • Pinpoint Test A: No Power To The Remote DLC (Data Link Connector)
        • Pinpoint Test A: No Power To The Remote DLC (Data Link Connector)
      • Pinpoint Test B: No FD-Can1 (Flexible Data Rate Controller Area Network 1) Communication, All Modules Are Not Responding
        • Pinpoint Test B: No FD-Can1 (Flexible Data Rate Controller Area Network 1) Communication, All Modules Are Not Responding
      • Pinpoint Test C: No FD-Can3 (Flexible Data Rate Controller Area Network 3) Communication, All Modules Are Not Responding
        • Pinpoint Test C: No FD-Can3 (Flexible Data Rate Controller Area Network 3) Communication, All Modules Are Not Responding
      • Pinpoint Test D: No HS-Can2 (High-Speed Controller Area Network 2) Communication, All Modules Are Not Responding
        • Pinpoint Test D: No HS-Can2 (High-Speed Controller Area Network 2) Communication, All Modules Are Not Responding
      • Pinpoint Test E: No HS-Can3 (High-Speed Controller Area Network 3) Communication, All Modules Are Not Responding
        • Pinpoint Test E: No HS-Can3 (High-Speed Controller Area Network 3) Communication, All Modules Are Not Responding
      • Pinpoint Test F: No Ms-Can (Medium Speed-Controller Area Network) Communication, All Modules Are Not Responding
        • Pinpoint Test F: No Ms-Can (Medium Speed-Controller Area Network) Communication, All Modules Are Not Responding
      • Pinpoint Test G: All Networks Do Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test G: All Networks Do Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test H: All Modules On Diag1 Do Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test H: All Modules On Diag1 Do Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test I: All Modules On Diag2 Do Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test I: All Modules On Diag2 Do Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test J: The Abs (Anti-Lock Brake System) Module Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test J: The Abs (Anti-Lock Brake System) Module Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test K: The ACM (Audio Front Control Module) Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test K: The ACM (Audio Front Control Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test L: The APIM (Accessory Protocol Interface Module) (Sync4) Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test L: The APIM (Accessory Protocol Interface Module) (Sync4) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test M: The APIM (Accessory Protocol Interface Module) (Sync+) Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test M: The APIM (Accessory Protocol Interface Module) (Sync+) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test N: The BCM (Body Control Module) Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test N: The BCM (Body Control Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test O: The BCMB (Body Control Module B) Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test O: The BCMB (Body Control Module B) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test P: The BCMC (Body Control Module C) [ BJB (Battery Junction Box) ] Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test P: The BCMC (Body Control Module C) [ BJB (Battery Junction Box) ] Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test Q: The DDM (Driver Door Module) Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test Q: The DDM (Driver Door Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test R: The DSM (Driver Front Seat Module) Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test R: The DSM (Driver Front Seat Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test S: The DSP (Audio Digital Signal Processing Module) Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test S: The DSP (Audio Digital Signal Processing Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test T: The HCM (Headlamp Control Module) Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test T: The HCM (Headlamp Control Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test U: The HVAC (Heating, Ventilation And Air Conditioning) Module Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test U: The HVAC (Heating, Ventilation And Air Conditioning) Module Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test V: The IPC (Instrument Panel Cluster) Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test V: The IPC (Instrument Panel Cluster) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test W: The IPMA (Image Processing Module A) Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test W: The IPMA (Image Processing Module A) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test X: The MRCMA (Movable Roof Control Module A) Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test X: The MRCMA (Movable Roof Control Module A) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test Y: The MRCMB (Movable Roof Control Module B) Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test Y: The MRCMB (Movable Roof Control Module B) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test Z: The OCS (Occupant Classification System) Module Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test Z: The OCS (Occupant Classification System) Module Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test Aa: The Pcm (Powertrain Control Module) Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test Aa: The Pcm (Powertrain Control Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test Ab: The PDM (Passenger Door Module) Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test Ab: The PDM (Passenger Door Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test Ac: The PSCM (Power Steering Control Module) Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test Ac: The PSCM (Power Steering Control Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test Ad: The RCM (Restraints Control Module) Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test Ad: The RCM (Restraints Control Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test AE: The RTM (Radio Transceiver Module) Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test AE: The RTM (Radio Transceiver Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test AF: The SCCM (Steering Column Control Module) Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test AF: The SCCM (Steering Column Control Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test Ag: The TCU (TELEMATIC Control Unit Module) Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test Ag: The TCU (TELEMATIC Control Unit Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test Ah: The VDM (Vehicle Dynamics Control Module) Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test Ah: The VDM (Vehicle Dynamics Control Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test Ai: The WACM (Wireless Accessory Charging Module) Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test Ai: The WACM (Wireless Accessory Charging Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test AJ: U1A01:00
        • Pinpoint Test AJ: U1A01:00
      • Pinpoint Test AK: U2100:00 Or U2200:00
        • Pinpoint Test AK: U2100:00 Or U2200:00
      • Pinpoint Test Al: U3000:04, U3000:43 Or U3000:49
        • Pinpoint Test Al: U3000:04, U3000:43 Or U3000:49
      • Pinpoint Test Am: U3000:57
        • Pinpoint Test Am: U3000:57
      • Pinpoint Test An: U3003:16
        • Pinpoint Test An: U3003:16
      • Pinpoint Test AO: U3003:17
        • Pinpoint Test AO: U3003:17
      • Pinpoint Test AP: APIM (Accessory Protocol Interface Module) Internal Module Concern
        • Pinpoint Test AP: APIM (Accessory Protocol Interface Module) Internal Module Concern
• General Procedures
  • No Communication Between the Diagnostic Scan Tool and the Vehicle
• Removal And Installation
  • Gateway Module A (GWM)
    • Notes
    • Removal
    • Installation