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Symptom Chart

SYMPTOM CHART

Condition Possible Sources Action
  • The vehicle does not start with the scan tool connected to the Data Link Connector (DLC) and/or multiple malfunction indicators are only on when the scan tool is connected to the DLC  .
  • Wiring, terminals or connectors
  • Scan tool
  • The PCM does not respond to the scan tool
  • Wiring, terminals or connectors
  • PCM
  • The ABS module does not respond to the scan tool
  • Fuse
  • Wiring, terminals or connectors
  • ABS module
  • The Instrument Cluster (IC) does not respond to the scan tool
  • Fuse
  • Wiring, terminals or connectors
  • IC 
  • The Restraints Control Module (RCM) does not respond to the scan tool
  • Fuse
  • Wiring, terminals or connectors
  • Case ground open
  • RCM 
  • The 4X4 control module does not respond to the scan tool
  • Fuse
  • Wiring, terminals or connectors
  • 4X4 control module
  • The Vehicle Dynamics Module (VDM) does not respond to the scan tool
  • Fuse
  • Wiring, terminals or connectors
  • VDM 
  • The Transmission Control Module (TCM) does not respond to the scan tool
  • Fuse
  • Wiring, terminals or connectors
  • TCM 
  • The Smart Junction Box (SJB) does not respond to the scan tool
  • Fuse
  • Wiring, terminals or connectors
  • SJB 
  • The HVAC module does not respond to the scan tool
  • Fuse
  • Wiring, terminals or connectors
  • HVAC module
  • The Liftgate/Trunk Module (LTM) does not respond to the scan tool
  • Fuses
  • Wiring, terminals or connectors
  • LTM 
  • The Audio Control Module (ACM) does not respond to the scan tool
  • Fuse
  • Wiring, terminals or connectors
  • ACM 
  • The audio Digital Signal Processing (DSP) module does not respond to the scan tool
  • Fuses
  • Wiring, terminals or connectors
  • DSP  module
  • The Satellite Digital Audio Receiver System (SDARS) module does not respond to the scan tool
  • Fuse
  • Wiring, terminals or connectors
  • SDARS  module
  • The audio Rear Control Unit (RCU) module does not respond to the scan tool
  • Fuse
  • Wiring, terminals or connectors
  • Audio RCU  module
  • The Rear Entertainment Module (RETM) does not respond to the scan tool
  • Fuse
  • Wiring, terminals or connectors
  • RETM 
  • The Driver Seat Module (DSM) does not respond to the scan tool
  • Fuse
  • Wiring, terminals or connectors
  • DSM 
  • The Dual Climate Controlled Seat Module (DCSM) does not respond to the scan tool
  • Fuse
  • Wiring, terminals or connectors
  • DCSM 
  • The Power Running Board (PRB) module does not respond to the scan tool
  • Fuse
  • Wiring, terminals or connectors
  • PRB  module
  • The Parking Aid Module (PAM) does not respond to the scan tool
  • Fuse
  • Wiring, terminals or connectors
  • PAM 
  • The Accessory Protocol Interface Module (APIM) does not respond to the scan tool
  • Fuse
  • Wiring, terminals or connectors
  • APIM 
  • The Global Positioning System Module (GPSM) does not respond to the scan tool
  • Fuse
  • Wiring, terminals or connectors
  • GPSM 
  • Intermittent no Medium Speed Controller Area Network (MS-CAN) communication, one or more modules are not responding during network test
  • Wiring, terminals or connectors
  • No Medium Speed Controller Area Network (MS-CAN) communication, all modules are not responding
  • Wiring, terminals or connectors
  • ACM 
  • APIM 
  • Audio DSP  module (if equipped)
  • DCSM  (if equipped)
  • DSM  (if equipped)
  • HVAC module - EATC  (if equipped)
  • HVAC module - EMTC  (if equipped)
  • IC 
  • LTM  (if equipped)
  • PAM  (if equipped)
  • PRB  module (if equipped)
  • Audio RCU  module (if equipped)
  • RETM  (if equipped)
  • SDARS  module (if equipped)
  • SJB 
  • Intermittent no High Speed Controller Area Network (HS-CAN) communication, one or more modules are not responding during network test
  • Wiring, terminals or connectors
  • No High Speed Controller Area Network (HS-CAN) communication, all modules are not responding
  • Wiring, terminals or connectors
  • ABS module
  • APIM 
  • IC 
  • PCM
  • RCM 
  • TCM 
  • VDM  (if equipped)
  • 4X4 control module (if equipped)
  • No power to the scan tool
  • Fuse
  • Wiring, terminals or connectors
  • Scan tool