DTC C1669-82: CAN Signal Error ACU: General Description

The Yaw Rate Sensor (YRS), lateral G sensor, longitudinal G sensor are packaged in the Inertial Measurement Unit (IMU). If the yaw velocity reaches the specific velocity after IMU detects the vehicle's yawing, the ESC control is activated.

IMU is installed in SRSCM and it interchanges signals with IEBU through extra CAN line which is only used for communication between IEBU and the IMU.