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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 Description

DTC Description

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.

If the 4WD ECU doesn't get some ABS/ESC signals from ABS/ESC module, it sets U0121.

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