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Home >> Hyundai >> 2018 >> Kona Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 142 (Automatic Transaxle System Diagnosis - 2.0L) >> DTC U0100-00: Lost Communication With ECM/PCM 'A' >> DTC Information And Inspection >> DTC Detecting Condition

DTC Information And Inspection: DTC Detecting Condition

WARNING: This page is about a different car, the 2021 Hyundai Kona. However, it is still accessible from the selected car via links, so may be relevant.
Troubleshooting Condition Possible Cause
DTC Strategy
  • CAN Communication Monitoring
  1. Open or short in CAN Communication Line
  2. PCM/TCM
Enable Conditions
  • Time after PCM/TCM turns on is longer than 0.5sec.
  • Input speed is above 400 RPM
Threshold value
  • Message from EMS no message
Detecting Time
  • More than 2sec.
Fail safe
  • Engine Speed: 3000 RPM
  • Throttle: 50%
  • Engine torque: Max*0.7

    * Inhibit TIME OUT happen at BUS OFF happen.
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