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Symptom Chart

SYMPTOM

Condition Possible Sources Action
  • The module does not respond to the diagnostic tool - antilock brake control module
  • Wire or connection in SCP communication network (with traction control).
  • Wire or connection in ISO 9141 communication network (without traction control).
  • Anti-lock brake control module without traction control (optional).
  • Anti-lock brake control module with traction control (optional).
  • The module does not respond to the diagnostic tool - generic electronic module (GEM)
  • Wire or connection in ISO 9141 communication network.
  • GEM.
  • The module does not respond to the diagnostic tool - restraint control module (RCM)
  • Wire or connection in ISO 9141 communication network.
  • RCM.
  • The module does not respond to the diagnostic tool - instrument cluster
  • Wire or connection in SCP communication network.
  • Instrument cluster.
  • The module does not respond to the diagnostic tool - powertrain control module (PCM)
  • Wire or connection in SCP communication network.
  • PCM.
  • No module/network communication - ISO 9141 network
  • Wire or connection in ISO 9141 communication network.
  • ISO 9141 networked modules.
  • No module/network communication - SCP network
  • Wire or connection in SCP communication network.
  • SCP networked modules.
  • No module/network communication - no power to the diagnostic tool
  • CJB Fuse 31 (5A).
  • DLC pins.
  • Scan tool.
  • Circuitry.