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HOMESERVICE MANUALSKIA2020SOUL LX, STANDARD TRANSREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTDRIVERS ASSISTANCE SYSTEMS - ADASADVANCED SMART CRUISE CONTROL DIAGNOSISDTC C1638-81: ACC/SCC COMMUNICATION ERRORDTC INFORMATIONDTC DETECTING CONDITION
2020 Kia Soul LX, Standard Trans

DTC Information: DTC Detecting Condition

2020 Kia Soul LX, Standard TransSECTION DTC Detecting Condition
Item Detecting Condition Possible cause
DTC Strategy
  • Monitoring CAN messages
  • Faulty MFC system
  • Faulty HECU system
  • Faulty SCC/FCA system
  • Open or short in C-CAN communication line
  • Open or short in L-CAN communication line
Enable Condition
  • Engine "ON" (Engine "ON" signal received more than 2s)
  • CAN communication line in normal condition
  • Battery voltage is between 9V and 16V
Threshold value
  • When there are communication error between SCC/FCA and HECU module via C-CAN
  • When there are communication error between SCC/FCA and MFC module via L-CAN
Diagnosis Time
  • 0.5s
Symptom Case 1 C-CAN communication error
  • SCC disengagement and shutdown
  • SCC warning lamp turns on
  • FCA normal work
  • FCA warning lamp turns off
Case 2 L-CAN communication error
  • SCC normal work
  • SCC warning lamp turns off
  • FCA disengagement and shutdown
  • FCA warning lamp turns on
RENDER: 1.0x

NO RELATED

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