DTC U0100-87: Lost Communication with ECM/PCM "A" Missing Message; DTC U0125-87: Lost Communication with Multi-axis Acceleration Sensor Module 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 U0155-87: Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message [08/2020 - ]: Description

The following DTCs are stored when there is a communication malfunction between the millimeter wave radar sensor and each sensor or ECU.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
U0100-87	Lost Communication with ECM/PCM "A" Missing Message	When the ignition switch is ON for 3 seconds or more, an ECM communication malfunction continues for approximately 3 seconds or more.	CAN communication system
U0125-87	Lost Communication with Multi-axis Acceleration Sensor Module Missing Message	When the ignition switch is ON for 3 seconds or more, at a vehicle speed of 5 km/h (3 mph) or more, a communication malfunction with the yaw rate sensor (airbag sensor assembly) continues for approximately 1 second or more.	CAN communication system
U0126-87	Lost Communication with Steering Angle Sensor Module Missing Message	When the ignition switch is ON for 3 seconds or more, a steering sensor communication malfunction continues for approximately 1 second or more.	CAN communication system
U0129-87	Lost Communication with Brake System Control Module Missing Message	When the ignition switch is ON for 3 seconds or more, a communication error between the skid control ECU (brake actuator assembly) and the millimeter wave radar sensor assembly is detected for approximately 1 second or more.	CAN communication system
U0155-87	Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message	When the ignition switch is ON for 3 seconds or more, a combination meter assembly communication malfunction continues for 8 seconds or more.	CAN communication system