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 (FD-CAN)
    • High Speed Controller Area Network 1, 2, 3 and 4 (HS-CAN1, HS-CAN2, HS-CAN3 and HS-CAN4)
    • 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-Can (Flexible Data Rate Controller Area Network) Communication, All Modules Are Not Responding
        • Pinpoint Test B: No FD-Can (Flexible Data Rate Controller Area Network) Communication, All Modules Are Not Responding
      • Pinpoint Test C: No HS-Can1 (High-Speed Controller Area Network 1) Communication, All Modules Are Not Responding
        • Pinpoint Test C: No HS-Can1 (High-Speed Controller Area Network 1) 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 HS-Can4 (High-Speed Controller Area Network 4) Communication, All Modules Are Not Responding
        • Pinpoint Test F: No HS-Can4 (High-Speed Controller Area Network 4) Communication, All Modules Are Not Responding
      • Pinpoint Test G: No Ms-Can (Medium Speed-Controller Area Network) Communication, All Modules Are Not Responding
        • Pinpoint Test G: No Ms-Can (Medium Speed-Controller Area Network) Communication, All Modules Are Not Responding
      • Pinpoint Test H: All Networks Do Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test H: All Networks Do Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test I: The Abs (Anti-Lock Brake System) Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test I: The Abs (Anti-Lock Brake System) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test J: The ACCM (Air Conditioning Control Module) Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test J: The ACCM (Air Conditioning 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 K: The ACM (Audio Front Control Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test L: The APIM (Accessory Protocol Interface Module) Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test L: The APIM (Accessory Protocol Interface Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test M: The BCM (Body Control Module) Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test M: The BCM (Body Control Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test N: The BCMC (Body Control Module C) BJB (Battery Junction Box) Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test N: The BCMC (Body Control Module C) BJB (Battery Junction Box) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test O: The BECM (Battery Energy Control Module) Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test O: The BECM (Battery Energy Control Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test P: The BECMB (Battery Energy Control Module B) Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test P: The BECMB (Battery Energy Control Module B) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test Q: The Driver Status Monitor Camera Module [CMR (Camera Module - Rear) ] Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test Q: The Driver Status Monitor Camera Module [CMR (Camera Module - Rear) ] Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test R: The DCME (Door Control Module E) Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test R: The DCME (Door Control Module E) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test S: The DCMF (Door Control Module F) Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test S: The DCMF (Door Control Module F) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test T: The DCMG (Door Control Module G) Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test T: The DCMG (Door Control Module G) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test U: The DCMH (Door Control Module H) Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test U: The DCMH (Door Control Module H) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test V: The DCDC (Direct Current/Direct Current Converter Control Module) Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test V: The DCDC (Direct Current/Direct Current Converter Control Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test W: The DDM (Driver Door Module) Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test W: The DDM (Driver Door Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test X: The DSM (Driver Front Seat Module) Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test X: The DSM (Driver Front Seat Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test Y: The DSP (Audio Digital Signal Processing Module) Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test Y: The DSP (Audio Digital Signal Processing Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test Z: The GFM (Generic Function Module) (Front Trunk Release Module (FTRM)) Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test Z: The GFM (Generic Function Module) (Front Trunk Release Module (FTRM)) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test Aa: The GSM (Gear Shift Module) Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test Aa: The GSM (Gear Shift Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test Ab: The HCM (Headlamp Control Module) Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test Ab: The HCM (Headlamp Control Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test Ac: The HVAC (Heating, Ventilation And Air Conditioning) Module Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test Ac: The HVAC (Heating, Ventilation And Air Conditioning) Module Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test Ad: The IPC (Instrument Panel Cluster) Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test Ad: The IPC (Instrument Panel Cluster) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test AE: The IPMA (Image Processing Module A) Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test AE: The IPMA (Image Processing Module A) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test AF: The OBCC (Off-Board Charger Controller) Module Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test AF: The OBCC (Off-Board Charger Controller) Module Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test Ag: The OCS (Occupant Classification System) Module Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test Ag: The OCS (Occupant Classification System) Module Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test Ah: The PACM (Pedestrian Alert Control Module) Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test Ah: The PACM (Pedestrian Alert Control Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test Ai: The Pcm (Powertrain Control Module) Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test Ai: The Pcm (Powertrain Control Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test AJ: The PDM (Passenger Door Module) Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test AJ: The PDM (Passenger Door Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test AK: The PSCM (Power Steering Control Module) Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test AK: The PSCM (Power Steering Control Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test Al: The RCM (Restraints Control Module) Does Not Respond To The Diagnostic Scan Tool (NA)
        • Pinpoint Test Al: The RCM (Restraints Control Module) Does Not Respond To The Diagnostic Scan Tool (NA)
      • Pinpoint Test Am: The RCM (Restraints Control Module) Does Not Respond To The Diagnostic Scan Tool (EU)
        • Pinpoint Test Am: The RCM (Restraints Control Module) Does Not Respond To The Diagnostic Scan Tool (EU)
      • Pinpoint Test An: The RFA (Remote Function Actuator) Module Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test An: The RFA (Remote Function Actuator) Module Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test AO: The RGTM (Rear Gate Trunk Module) Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test AO: The RGTM (Rear Gate Trunk Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test AP: The SCCM (Steering Column Control Module) Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test AP: The SCCM (Steering Column Control Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test AQ: The SOBDM (Secondary On-Board Diagnostic Control Module A) (Battery Charging Control Module [BCCM]) Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test AQ: The SOBDM (Secondary On-Board Diagnostic Control Module A) (Battery Charging Control Module [BCCM]) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test Ar: The SOBDMB (Secondary On-Board Diagnostic Control Module B (SOBDMB)) Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test Ar: The SOBDMB (Secondary On-Board Diagnostic Control Module B (SOBDMB)) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test As: The SOBDMC (Secondary On-Board Diagnostic Control Module C) Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test As: The SOBDMC (Secondary On-Board Diagnostic Control Module C) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test At: The TCU (TELEMATIC Control Unit Module) Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test At: The TCU (TELEMATIC Control Unit Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test AU: The VDM (Vehicle Dynamics Control Module) Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test AU: The VDM (Vehicle Dynamics Control Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test Av: The WACM (Wireless Accessory Charging Module) Does Not Respond To The Diagnostic Scan Tool
        • Pinpoint Test Av: The WACM (Wireless Accessory Charging Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test Aw: U0001:09
        • Pinpoint Test Aw: U0001:09
      • Pinpoint Test Ax: U0214:00
        • Pinpoint Test Ax: U0214:00
      • Pinpoint Test AY: U1020:00
        • Pinpoint Test AY: U1020:00
      • Pinpoint Test AZ: U1A01:00
        • Pinpoint Test AZ: U1A01:00
      • Pinpoint Test BA: U2100:00 Or U2200:00
        • Pinpoint Test BA: U2100:00 Or U2200:00
      • Pinpoint Test BB: U3000:04, U3000:43 Or U3000:49
        • Pinpoint Test BB: U3000:04, U3000:43 Or U3000:49
      • Pinpoint Test BC: U3000:57
        • Pinpoint Test BC: U3000:57
      • Pinpoint Test BD: U3003:16
        • Pinpoint Test BD: U3003:16
      • Pinpoint Test Be: U3003:17
        • Pinpoint Test Be: U3003:17
• General Procedures
  • No Communication Between the Diagnostic Scan Tool and the Vehicle
• Removal And Installation
  • Gateway Module A (GWM)
    • Notes
    • Removal
    • Installation