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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> Accessories & Equipment >> Collision/Avoidance >> Blind Spot Detection Diagnosis - Right (Except HEV) >> DTC C1646-81: CAN Message Failure - TCU >> DTC Information >> DTC Description

DTC Description

BSD ECU receives the gear position signal (R Signal) from TCU, and BSD system is used. DTC occurs when an abnormal signal is received from TCU. This code is set, and the BSD Switch LED functions are prohibited and system is down.