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Home >> Hyundai >> 2022 >> Tucson Plug-In Hybrid SEL >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (PHEV) (8 Of 8) >> DTC U0104-00: 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
  • CAN communication status check
  1. Poor contact of connector
  2. CAN communication line between ECM and front radar (FR_RDR)
  3. Front radar faulty
Prerequisite Condition
  • Ignition "ON"
  • Normal battery voltage (10 to 16V)
  • Engine running (Faster than 32 RPM)
Threshold Value
  • When a CAN message comes from FR_RDR is not received
Diagnostic Time
  • 2 sec
MIL
  • 2nd driving cycles
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