LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Genesis >> 2018 >> G80 3.8, AWD >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> 4WD Control Diagnosis >> DTC U0121: Lost Communication With Anti-Lock Brake System (ABS) Control Module >> DTC Information >> DTC Detecting Condition
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • ABS input CAN signal monitoring
  1. Poor connection
  2. CAN line open or short
  3. Wheel Speed Sensor
  4. ABS ECU.
Enable conditions
  • IG "ON" or Engine "ON"
Threshold value
  • No CAN signal of ABS1
Detecting time
  • 2 sec.
scientia non olet · About LEMON Manuals