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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> Accessories & Equipment >> Collision/Avoidance >> Lane Departure Warning System Diagnosis (Except HEV) >> DTC C2721: System Calibration Required >> DTC Information >> DTC Description

DTC Description

If you did not carry out camera calibration for lane recognition, the ECU sets C2721 DTC and then the LDWS warning lamp is blinking at the cluster.