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Home >> Kia >> 2021 >> Sorento EX, AWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Double Clutch Transmission System Diagnosis - 2.5T (VIN F) (3 Of 3) (Except HEV) >> DTC U0121-87: Lost Communication With Anti-Lock Brake System (ABS) Control Module >> DTC Information >> DTC Description

DTC Description

The TCU monitors whether the information is consistent with the information sent via CAN-BUS line. If error data is sent from ABS/VDC for a certain period of time, this fault code is generated.