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Home >> Hyundai >> 2021 >> Veloster 2.0, Standard Trans >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Collision/Avoidance >> Blind Spot Collision Warning Diagnosis >> DTC C1646-81: CAN Message Failure - TCU >> DTC Information And Inspection >> DTC Description

DTC Description

C164681 sets when an abnormal signal regarding gear shift has been received between the BSD ECU and TCU module during CAN communication. It turns off the BSD (Blind Spot Detection) switch LED and inhibits the system.