DTC U0100-87: Lost Communication with ECM/PCM "A" Missing Message; DTC U0129-87: Lost Communication with Brake System Control Module "A" Missing Message; DTC U0131-87: Lost Communication with Power Steering Control Module "A" Missing Message; DTC U0293-87: Lost Communication with Hybrid/EV Powertrain Control Module Missing Message [11/2021 - ]: Description

The object recognition camera communicates with each sensor and ECU via CAN communication.

If any malfunction is detected in a CAN communication circuit, one or more CAN communication system DTCs are stored.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	DTC Output from
U0100-87	Lost Communication with ECM/PCM "A" Missing Message	After 3 seconds or more have elapsed since the ignition switch was turned to ON (IG), there is a communication malfunction between the front side radar sensor (A) and ECM for approximately 11 seconds or more.	CAN communication system	Front Side Radar "A"
U0129-87	Lost Communication with Brake System Control Module "A" Missing Message	for Gasoline Model: After 3 seconds or more have elapsed since the ignition switch was turned to ON (IG), there is a communication malfunction between the front side radar sensor (A) and skid control ECU (brake actuator sub-assembly) for approximately 5 seconds or more. for HEV Model: After 3 seconds or more have elapsed since the ignition switch was turned to ON (IG), there is a communication malfunction between the front side radar sensor (A) and No. 2 skid control ECU (brake actuator sub-assembly) for approximately 5 seconds or more.	CAN communication system	Front Side Radar "A"
U0131-87	Lost Communication with Power Steering Control Module "A" Missing Message	After 3 seconds or more have elapsed since the ignition switch was turned to ON (IG), there is a communication malfunction between the front side radar sensor (A) and power steering ECU (rack and pinion power steering gear assembly) for approximately 4 seconds or more.	CAN communication system	Front Side Radar "A"
U0293-87	Lost Communication with Hybrid/EV Powertrain Control Module Missing Message	When the vehicle speed is 5 km/h or more and 3 seconds or more have elapsed since the ignition switch was turned to ON (IG), there is a communication malfunction between the front side radar sensor (A) and hybrid vehicle control ECU for 11 seconds or more.	CAN communication system	Front Side Radar "A"