Controller Area Network (Can) Module Communications Network

• Description And Operation
  • Controller Area Network (CAN) Module Communications Network
    • 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, HS-CAN4 and HS-CAN5)
      • 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: Communication Network
    • Pinpoint Tests
      • 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 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 E: No HS-Can3 (High-Speed Controller Area Network 3) Communication, All Modules Are Not Responding
      • Pinpoint Test F: The TCU (TELEMATIC Control Unit Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test G: No HS-Can (High-Speed Controller Area Network) 5 Communication, All Modules Are Not Responding
      • Pinpoint Test H: No Ms-Can (Medium Speed-Controller Area Network) Communication, All Modules Are Not Responding
      • Pinpoint Test I: All Networks Do Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test J: The Abs (Anti-Lock Brake System) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test K: The ACCM (Air Conditioning Control Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test L: The ACM (Audio Front Control Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test M: The APIM (Accessory Protocol Interface Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test N: The AWD (All-Wheel Drive) Module Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test O: The BCM (Body Control Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test P: The BCMC (Body Control Module C) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test Q: The BECM (Battery Energy Control Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test R: The BECMB (Battery Energy Control Module B) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test S: The DCDC (Direct Current/Direct Current Converter Control Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test T: The DDM (Driver Door Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test U: The DSM (Driver Front Seat Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test V: The DSP (Audio Digital Signal Processing Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test W: The GSM (Gear Shift Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test X: The HUD (Head Up Display) Module Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test Y: The HVAC (Heating, Ventilation And Air Conditioning) Module Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test Z: The IPC (Instrument Panel Cluster) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test Aa: The IPMA (Image Processing Module A) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test Ab: The OCS (Occupant Classification System) Module Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test Ac: The PACM (Pedestrian Alert Control Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test Ad: The Pcm (Powertrain Control Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test AE: The PDM (Passenger Door Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test AF: The PSCM (Power Steering Control Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test Ag: The RCM (Restraints Control Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test Ah: The RGTM (Rear Gate Trunk Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test Ai: The RTM (Radio Transceiver Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test AJ: The SCCM (Steering Column Control Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test AK: The SOBDM (Secondary On-Board Diagnostic Control Module A) (Battery Charging Control Module [BCCM]) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test Al: The SOBDMC (Secondary On-Board Diagnostic Control Module C) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test Am: The TRM (Trailer Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test An: The WACM (Wireless Accessory Charging Module) Does Not Respond To The Diagnostic Scan Tool
      • Pinpoint Test AO: U0001:09
      • Pinpoint Test AP: U1A01:00
      • Pinpoint Test AQ: U2100:00 Or U2200:00
      • Pinpoint Test Ar: U3000:04, U3000:43 Or U3000:49
      • Pinpoint Test As: U3000:57
      • Pinpoint Test At: U3003:16
      • Pinpoint Test AU: U3003:17
• General Procedures
  • No Communication Between the Diagnostic Scan Tool and the Vehicle
• Removal And Installation
  • Gateway Module A (GWM)
    • Notes
    • Removal
    • Installation