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Symptom Table

SYMPTOM TABLE

Condition Possible Sources Action
  • The anti-lock brake system (ABS) module does not respond to the diagnostic tool
  • Circuit or connection in the high speed controller area network (CAN)
  • ABS module
  • The restraint control module (RCM) does not respond to the diagnostic tool
  • Circuit or connection in the international standards organization (ISO) 9141 communications network
  • RCM
  • The vehicle security module does not respond to the diagnostic tool
  • Circuit or connection in the medium speed controller area network (CAN)
  • Vehicle security module
  • The tire pressure monitoring system (TPMS) module does not respond to the diagnostic tool
  • Circuit or connection in the medium speed controller area network (CAN)
  • Vehicle security module
  • The powertrain control module (PCM) does not respond to the diagnostic tool
  • Circuit or connection in the high speed controller area network (CAN)
  • PCM
  • The 4-wheel drive (4WD) control module does not respond to the diagnostic tool
  • Circuit or connection in the high speed controller area network (CAN)
  • PCM
  • The electronic automatic temperature control (EATC) module does not respond to the diagnostic tool
  • Circuit or connection in the medium speed controller area network (CAN)
  • EATC module
  • The driver seat module (DSM) does not respond to the diagnostic tool
  • Circuit or connection in the medium speed controller area network (CAN)
  • DSM
  • The parking aid module does not respond to the diagnostic tool
  • Circuit or connection in the international standards organization (ISO) 9141 communications network (Expedition only)
  • Circuit or connection in the medium speed controller area network (CAN) (Navigator only)
  • Parking aid module
  • The transmission control module (TCM) does not respond to the diagnostic tool
  • Circuit or connection in the high speed controller area network (CAN)
  • TCM
  • The instrument cluster does not respond to the diagnostic tool
  • Circuit or connection in the medium speed controller area network (CAN)
  • Circuit or connection in the high speed CAN
  • Instrument cluster
  • The power liftgate module does not respond to the diagnostic tool
  • Circuit or connection in the medium speed controller area network (CAN)
  • Power liftgate module
  • The air suspension control module does not respond to the diagnostic tool
  • Circuit or connection in the medium speed controller area network (CAN)
  • Air suspension control module
  • The climate controlled seat module does not respond to the diagnostic tool
  • Circuit or connection in the medium speed controller area network (CAN)
  • Climate controlled seat module
  • The navigation system module does not respond to the diagnostic tool
  • Circuit or connection in the standard corporate protocol (SCP) communications network
  • Navigation system module
  • No international standards organization (ISO) 9141 communications network communication
  • Circuit or connection in the ISO 9141 communications network
  • ISO 9141 communications network modules
  • No high speed controller area network (CAN) communication
  • Circuit or connection in the high speed CAN
  • High speed CAN modules
  • No medium speed controller area network (CAN) communication
  • Circuit or connection in the medium speed CAN
  • Medium speed CAN modules
  • No module/network communication - no power to the diagnostic tool
  • Data link connector (DLC)
  • Fuse
  • Circuitry
  • Diagnostic tool
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