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Home >> Kia >> 2017 >> Forte5 EX >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Automatic Transaxle System Diagnosis - 1.6L T) >> DTC U0121-87: Lost Communication With Anti-Lock Brake System (ABS) Control Module >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

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Item Detecting Condition Possible Cause
DTC Strategy
  • CAN Communication Monitoring
  1. Poor Connector Connection
  2. Faulty C-CAN Communication Circuit
  3. Faulty TCM
  4. Faulty ESP
Enable Condition
  • Battery Voltage is above 10V
  • 0.5 s after TCM turns "ON"
Threshold Value
  • Not Receive a message from CAN MI-COM
Detecting Time
  • 2s
Fail Safe
  • Normal Driving
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