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Home >> Hyundai >> 2022 >> Santa Fe Limited, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis - 2.5T (15 Of 16) (Except HEV) >> DTC U0104-F9: Lost Communication With Cruise Control Module >> DTC Information And Inspection >> DTC Detecting Condition

DTC Information And Inspection: DTC Detecting Condition

Troubleshooting Condition Possible Cause
Main Action
  • Check CAN message from aircon control module
  1. Poor connector connection
  2. CAN communication line open or short
  3. Faulty SCC (Front Radar Unit: FCA)
Prerequisite Condition
  • Engine speed higher than 32 RPM (Engine Running)
  • Battery voltage higher than 10V
  • Delay time after ignition switch on is more than 1 second
Threshold Value
  • Duration of communication lost with SCC
Diagnosis Time
  • Continuous
MIL On Condition
  • 2 driving cycles
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