Section 42 (Module Communications Network - Except Electric)

• Description and Operation
  • Communications Network - Overview
    • Overview
  • Communications Network - System Operation and Component Description
    • System Operation
      • System Diagram
      • Network Termination
      • Gateway Module
      • High Speed Controller Area Network (HS-CAN)
      • Medium Speed Controller Area Network (MS-CAN)
      • Infotainment Controller Area Network (I-CAN)
      • Controller Area Network (CAN) Fault Tolerance
      • 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
• Diagnosis and Testing
  • Communications Network
    • Symptom Chart(s)
      • Symptom Chart: Communication Network
    • Diagnostic Routines
      • The Powertrain Control Module (PCM) Does Not Respond To The Scan Tool
        • Diagnostic Overview
        • Normal Operation and Fault Conditions
        • Possible Sources
        • Pinpoint Test A: The Powertrain Control Module (Pcm) Does Not Respond To The Scan Tool
      • The Anti-Lock Brake System (ABS) Module Does Not Respond To The Scan Tool
        • Diagnostic Overview
        • Normal Operation and Fault Conditions
        • Possible Sources
        • Visual Inspection and Diagnostic Pre-checks
        • Pinpoint Test B: The Abs (Anti-Lock Brake System) Module Does Not Respond To The Scan Tool
      • The RCM Does Not Respond To The Scan Tool
        • Diagnostic Overview
        • Normal Operation and Fault Conditions
        • Possible Causes
        • Visual Inspection and Diagnostic Pre-checks
        • Pinpoint Test C: The Restraints Control Module (RCM) Does Not Respond To The Scan Tool
      • The FCDIM Does Not Respond To The Scan Tool
        • Diagnostic Overview
        • Normal Operation and Fault Conditions
        • Visual Inspection and Diagnostic Pre-checks
        • Pinpoint Test D: The FCDIM (Front Control/Display Interface Module) Does Not Respond To The Scan Tool
      • The OCSM Does Not Respond To The Scan Tool
        • Diagnostic Overview
        • Normal Operation and Fault Conditions
        • Possible Sources
        • Visual Inspection and Diagnostic Pre-checks
        • Pinpoint Test E: The OCSM (Occupant Classification System Module) Does Not Respond To The Scan Tool
      • The SASM Does Not Respond To The Scan Tool
        • Diagnostic Overview
        • Normal Operation and Fault Conditions
        • Possible Causes
        • Visual Inspection and Diagnostic Pre-checks
        • Pinpoint Test F: The SASM (Steering Angle Sensor Module) Does Not Respond To The Scan Tool
      • The IPC Does Not Respond To The Scan Tool
        • Diagnostic Overview
        • Normal Operation and Fault Conditions
        • Possible Causes
        • Visual Inspection and Diagnostic Pre-checks
        • Pinpoint Test G: The IPC (Instrument Panel Cluster) Does Not Respond To The Scan Tool
      • The Information Center Module (ICM) Does Not Respond To The Scan Tool
        • Diagnostic Overview
        • Normal Operation and Fault Conditions
        • Possible Causes
        • Visual Inspection and Diagnostic Pre-checks
        • Pinpoint Test H: The Information Center Module (ICM) Does Not Respond To The Scan Tool
      • The BCM Does Not Respond To The Scan Tool
        • Diagnostic Overview
        • Normal Operation and Fault Conditions
        • Possible Causes
        • Visual Inspection and Diagnostic Pre-checks
        • Pinpoint Test I: The BCM (Body Control Module) Does Not Respond To The Scan Tool
      • The HVAC Module Does Not Respond To The Scan Tool
        • Diagnostic Overview
        • Normal Operation and Fault Conditions
        • Possible Sources
        • Visual Inspection and Diagnostic Pre-checks
        • Pinpoint Test J: The HVAC (Heating, Ventilation And Air Conditioning) Module Does Not Respond To The Scan Tool
      • The ACM Does Not Respond To The Scan Tool
        • Diagnostic Overview
        • Normal Operation and Fault Conditions
        • Possible Sources
        • Visual Inspection and Diagnostic Pre-checks
        • Pinpoint Test K: The ACM (Audio Front Control Module) Does Not Respond To The Scan Tool
      • The DSP Does Not Respond To the Scan Tool
        • Diagnostic Overview
        • Normal Operation and Fault Conditions
        • Possible Sources
        • Visual Inspection and Diagnostic Pre-checks
        • Pinpoint Test L: The DSP (Audio Digital Signal Processing Module) Does Not Respond To The Scan Tool
      • The DDM Does Not Respond To the Scan Tool
        • Diagnostic Overview
        • Normal Operation and Fault Conditions
        • Possible Sources
        • Visual Inspection and Diagnostic Pre-checks
        • Pinpoint Test M: The DDM (Driver Door Module) Does Not Respond To The Scan Tool
      • The PDM Does Not Respond To The Scan Tool
        • Diagnostic Overview
        • Normal Operation and Fault Conditions
        • Possible Sources
        • Visual Inspection and Diagnostic Pre-checks
        • Pinpoint Test N: The PDM (Passenger Door Module) Does Not Respond To The Scan Tool
      • The Image Processing Module B (IPM-B) Does Not Respond To The Scan Tool
        • Diagnostic Overview
        • Normal Operation and Fault Conditions
        • Possible Sources
        • Visual Inspection and Diagnostic Pre-checks
        • Pinpoint Test O: The Image Processing Module B (IPM-B) Does Not Respond To The Scan Tool
      • The GPSM Does Not Respond To The Scan Tool
        • Diagnostic Overview
        • Normal Operation and Fault Conditions
        • Visual Inspection and Diagnostic Pre-checks
        • Pinpoint Test P: The GPSM (Global Positioning System Module) Does Not Respond To The Scan Tool
      • The Parking Aid Module (PAM) Does Not Respond To The Scan Tool
        • Diagnostic Overview
        • Normal Operation and Fault Conditions
        • Possible Sources
        • Visual Inspection and Diagnostic Pre-checks
        • Pinpoint Test Q: The Parking Aid Module (PAM) Does Not Respond To The Scan Tool
      • The APIM Does Not Respond To The Scan Tool
        • Diagnostic Overview
        • Normal Operation and Fault Conditions
        • Possible Sources
        • Visual Inspection and Diagnostic Pre-checks
        • Pinpoint Test R: The APIM (Accessory Protocol Interface Module) Does Not Respond To The Scan Tool
      • The FCIM Does Not Respond To The Scan Tool
        • Diagnostic Overview
        • Normal Operation and Fault Conditions
        • Possible Sources
        • Visual Inspection and Diagnostic Pre-checks
        • Pinpoint Test S: The FCIM (Front Controls Interface Module) Does Not Respond To The Scan Tool
      • The RFA Module Does Not Respond To The Scan Tool
        • Diagnostic Overview
        • Normal Operation and Fault Conditions
        • Possible Sources
        • Visual Inspection and Diagnostic Pre-checks
        • Pinpoint Test T: The RFA (Remote Function Actuator) Module Does Not Respond To The Scan Tool
      • The TCM Does Not Respond To The Scan Tool
        • Diagnostic Overview
        • Normal Operation and Fault Conditions
        • Possible Sources
        • Visual Inspection and Diagnostic Pre-checks
        • Pinpoint Test U: The TCM (Transmission Control Module) Does Not Respond To The Scan Tool
      • The PSCM Does Not Respond To The Scan Tool
        • Diagnostic Overview
        • Normal Operation and Fault Conditions
        • Possible Sources
        • Visual Inspection and Diagnostic Pre-checks
        • Pinpoint Test V: The PSCM (Power Steering Control Module) Does Not Respond To The Scan Tool
      • No High Speed Controller Area Network (HS-CAN) Communication, All Modules Are Not Responding
        • Diagnostic Overview
        • Normal Operation and Fault Conditions
        • Possible Sources
        • Pinpoint Test W: No High Speed Controller Area Network (HS-Can) Communication, All Modules Are Not Responding
      • No Medium Speed Controller Area Network (MS-CAN) Communication, All Modules Are Not Responding
        • Diagnostic Overview
        • Normal Operation and Fault Conditions
        • Possible Sources
        • Pinpoint Test X: No Medium Speed Controller Area Network (Ms-Can) Communication, All Modules Are Not Responding
      • No Infotainment Controller Area Network (I-CAN) Communication, All Modules Are Not Responding
        • Diagnostic Overview
        • Normal Operation and Fault Conditions
        • Possible Sources
        • Pinpoint Test Y: No Infotainment Controller Area Network (I-Can) Communication, All Modules Are Not Responding
      • No Power To The DLC
        • Diagnostic Overview
        • Normal Operation and Fault Conditions
        • Possible Sources
        • Visual Inspection and Diagnostic Pre-checks
        • Pinpoint Test Z: No Power To The DLC (Data Link Connector)
• General Procedures
  • No Communication Between the Integrated Diagnostic System (IDS) and the Vehicle