DTC U0100-87: Lost Communication With ECM/PCM "A" Missing Message; DTC U0101-87: Lost Communication with TCM Missing Message; DTC U0126-87: Lost Communication with Steering Angle Sensor Module Missing Message; DTC U0129-87: Lost Communication with Brake System Control Module Missing Message; DTC U0131-87: Lost Communication with Power Steering Control Module Missing Message; DTC U0155-87: Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message [12/2021 - ]: Description

When a malfunction is detected between various ECUs and sensors, these DTCs are stored.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	DTC Output from	Priority
U0100-87	Lost Communication With ECM/PCM "A" Missing Message	After 3 seconds or more have elapsed since turning the lane tracing assist system on and the ignition switch to ON, while the vehicle speed is 5 km/h (3 mph) or more, a communication malfunction between the forward recognition camera and the ECM is continuously detected for 5 seconds or more	CAN communication system	Lane Control	B
U0101-87	Lost Communication with TCM Missing Message	After 3 seconds or more have elapsed since turning the lane tracing assist system on and the ignition switch to ON, while the vehicle speed is 5 km/h (3 mph) or more, a communication malfunction between the forward recognition camera and the TCM is continuously detected for 5 seconds or more	CAN communication system	Lane Control	B
U0126-87	Lost Communication with Steering Angle Sensor Module Missing Message	After 3 seconds or more have elapsed since turning the lane tracing assist system on and the ignition switch to ON, a communication malfunction between the forward recognition camera and the steering sensor is continuously detected for 5 seconds or more	CAN communication system	Lane Control	B
U0129-87	Lost Communication with Brake System Control Module Missing Message	After 3 seconds or more have elapsed since turning the lane tracing assist system on and the ignition switch to ON, a communication malfunction between the forward recognition camera and the No. 2 skid control ECU (brake actuator assembly) is continuously detected for 5 seconds or more	CAN communication system	Lane Control	B
U0131-87	Lost Communication with Power Steering Control Module Missing Message	After 3 seconds or more have elapsed since turning the lane tracing assist system on and the ignition switch to ON, a communication malfunction between the forward recognition camera and the multiplex network steering ECU (rack and pinion power steering gear assembly) is continuously detected for 5 seconds or more	CAN communication system	Lane Control	B
U0155-87	Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message	After 3 seconds or more have elapsed since turning the lane tracing assist system on and the ignition switch to ON, a communication malfunction between the forward recognition camera and the combination meter assembly is continuously detected for 50 seconds or more	CAN communication system	Lane Control	B