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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 Steering Angle Sensor Module (SASM) does not respond to the scan tool
  • Wiring, terminals or connectors
  • SASM
  • The Parking Aid Module (PAM) does not respond to the scan tool or no ISO communication
  • Fuse
  • Wiring, terminals or connectors
  • PAM
  • The Audio Front Control Module (ACM) does not respond to the scan tool
  • Fuse
  • Wiring, terminals or connectors
  • ACM (early build)
  • The Speech Recognition Module (SRM) does not respond to the scan tool
  • Fuse
  • Wiring, terminals or connectors
  • SRM (early build)
  • The Accessory Protocol Interface Module (APIM) does not respond to the scan tool
  • Fuse
  • Wiring, terminals or connectors
  • APIM (late build)
  • The Occupant Classification System Module (OCSM) does not respond to the scan tool
  • Fuse
  • Wiring, terminals or connectors
  • OCSM
  • The Restraints Control Module (RCM) does not respond to the scan tool
  • Fuse
  • Wiring, terminals or connectors
  • Case ground open
  • RCM
  • The Tire Pressure Monitoring System (TPMS) module does not respond to the scan tool
  • Fuse
  • Wiring, terminals or connectors
  • TPMS module
  • The Generic Electronic Module (GEM) does not respond to the scan tool
  • Fuse
  • Wiring, terminals or connectors
  • GEM
  • No Medium Speed Controller Area Network (MS-CAN) communication, all modules are not responding
  • Wiring, terminals or connectors
  • ACM (early build)
  • GEM
  • OCSM
  • TPMS module
  • Intermittent no Medium Speed Controller Area Network (MS-CAN) communication, one or more modules are not responding during network test
  • Wiring, terminals or connectors
  • DLC
  • No High Speed Controller Area Network (HS-CAN) communication, all modules are not responding
  • Wiring, terminals or connectors
  • APIM (late build)
  • DLC
  • IC (gateway module)
  • PCM
  • SASM (if equipped)
  • Intermittent no High Speed Controller Area Network (HS-CAN) communication, one or more modules are not responding during network test
  • Wiring, terminals or connectors
  • DLC
  • No power to the scan tool
  • Fuse
  • Wiring, terminals or connectors
  • DLC
  • Scan tool