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Home >> Hyundai >> 2014 >> Accent GLS, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 73 (4WD Control System Diagnosis) >> DTC U0121: Lost Communication With Anti-Lock Brake System (ABS) Control Module >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

WARNING: This page is about a different car, the 2014 Hyundai Santa Fe Sport and 2013 Hyundai Santa Fe Sport. However, it is still accessible from the selected car via links, so may be relevant.
Item Detecting Condition Possible cause
DTC Strategy
  • CAN Signal Check
  1. Poor connection
  2. Open or short in CAN communication line
  3. Error in ABS/ESC unit
  4. Error in Wheel speed sensor
Enable conditions
  • IG "ON" or Engine "ON"
Threshold value
  • It can't get some CAN signals from ABS/ESC module.
Detecting time
  • 2 seconds