DTC U0100-87: Lost Communication with ECM/PCM "A" Missing Message; DTC U0101-87: Lost Communication with TCM Missing Message; DTC U0110-87: Lost Communication with Drive Motor Control Module "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 U0140-87: Lost Communication with Body Control Module Missing Message; DTC U0151-87: Lost Communication with Restraints Control Module Missing Message; DTC U025E-87: Lost Communication with Electronic Brake Booster Control Module "A" Missing Message; DTC U0293-87: Lost Communication with Hybrid/EV Powertrain Control Module Missing Message; DTC U1107-87: Lost Communication with Power Management Module Missing Message; DTC U111A-87: Lost Communication with ECM/PCM "A" (ch2) Missing Message; DTC U1150-87: Lost Communication with Hybrid Powertrain Control Module (ch2) Missing Message; DTC U1159-87: Lost Communication with Electronic Brake Booster Control Module "A" (ch3) Missing Message [07/2020 - ]: Description

The airbag sensor assembly has a built-in yaw rate and acceleration sensor.

The No. 2 skid control ECU (brake actuator assembly) receives signals from the hybrid vehicle control ECU, steering angle sensor, certification ECU (smart key ECU assembly), inverter with converter assembly, No. 1 skid control ECU (brake booster with master cylinder assembly), airbag sensor assembly, yaw rate and acceleration sensor (airbag sensor assembly), ECM and main body ECU (multiplex network body ECU) via CAN communication.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	MIL	DTC Output from	Note
U0100-87	Lost Communication with ECM/PCM "A" Missing Message	When terminal IG2 voltage is 10 V or more, data cannot be received from the ECM for 2 seconds or more.	CAN communication line ECM No. 2 skid control ECU (brake actuator assembly)	Comes on	Brake/EPB	SAE Code: U0100 Output ECU: No. 2 skid control ECU (brake actuator assembly)
U0101-87	Lost Communication with TCM Missing Message	When terminal IG2 voltage is 10 V or more, data cannot be received from the hybrid vehicle control ECU for 2 seconds or more.	CAN communication line Hybrid vehicle control ECU No. 2 skid control ECU (brake actuator assembly)	Does not come on	Brake/EPB	Output ECU: No. 2 skid control ECU (brake actuator assembly)
U0110-87	Lost Communication with Drive Motor Control Module "A" Missing Message	When terminal IG2 voltage is 10 V or more, data from the inverter with converter assembly cannot be received for 2 seconds or more.	CAN communication line Inverter with converter assembly No. 2 skid control ECU (brake actuator assembly)	Comes on	Brake/EPB	SAE Code: U0110 (Case 1) Output ECU: No. 2 skid control ECU (brake actuator assembly)
U0125-87	Lost Communication with Multi-axis Acceleration Sensor Module Missing Message	Either of the following is detected: When the +BS terminal voltage is between 9.5 and 17.4 V, data from the acceleration sensor cannot be received for 1 second or more. When the +BS terminal voltage is between 9.5 and 17.4 V, the following occurs 10 times in succession within 60 seconds: Data from the acceleration sensor cannot be received once or more within 5 seconds.	CAN communication line Acceleration sensor (airbag sensor assembly) No. 2 skid control ECU (brake actuator assembly)	Comes on	Brake/EPB	SAE Code: U0125 Output ECU: No. 2 skid control ECU (brake actuator assembly)
U0126-87	Lost Communication with Steering Angle Sensor Module Missing Message	Either of the following is detected: When the +BS terminal voltage is between 9.5 and 17.4 V, data from the steering angle sensor cannot be received for 1 second or more. When the +BS terminal voltage is between 9.5 and 17.4 V, the following occurs 10 times in succession within 60 seconds: Data from the steering angle sensor cannot be received once or more within 5 seconds	CAN communication line Steering angle sensor No. 2 skid control ECU (brake actuator assembly)	Does not come on	Brake/EPB	Output ECU: No. 2 skid control ECU (brake actuator assembly)
U0140-87	Lost Communication with Body Control Module Missing Message	When the voltage at terminal IG1 is 10 V or more, data from the main body ECU (multiplex network body ECU) cannot be received for 2 seconds or more.	CAN communication line Main body ECU (multiplex network body ECU) No. 2 skid control ECU (brake actuator assembly)	Comes on	Brake/EPB	SAE Code: U0140 Output ECU: No. 2 skid control ECU (brake actuator assembly)
U0151-87	Lost Communication with Restraints Control Module Missing Message	When the +BS terminal voltage is between 9.5 and 17.4 V and the vehicle speed exceeds 7 km/h (4 mph), data cannot be received from the airbag sensor assembly for 5 seconds or more.	CAN communication line Airbag sensor assembly No. 2 skid control ECU (brake actuator assembly)	Does not come on	Brake/EPB	Output ECU: No. 2 skid control ECU (brake actuator assembly)
U025E-87	Lost Communication with Electronic Brake Booster Control Module "A" Missing Message	When the voltage at terminal IG1 is 10 V or more, communication between the No. 1 skid control ECU (brake booster with master cylinder assembly) and No. 2 skid control ECU (brake actuator assembly) is not possible for 2 seconds or more.	CAN communication line No. 1 skid control ECU (brake booster with master cylinder assembly) No. 2 skid control ECU (brake actuator assembly)	Comes on	Brake/EPB	SAE Code: U025E Output ECU: No. 2 skid control ECU (brake actuator assembly)
U0293-87	Lost Communication with Hybrid/EV Powertrain Control Module Missing Message	When terminal IG2 voltage is 10 V or more, data from the hybrid vehicle control ECU cannot be received for 2 seconds or more.	CAN communication line Hybrid vehicle control ECU No. 2 skid control ECU (brake actuator assembly)	Comes on	Brake/EPB	SAE Code: U0293 (Case 1) Output ECU: No. 2 skid control ECU (brake actuator assembly)
U1107-87	Lost Communication with Power Management Module Missing Message	When the voltage at terminal IG1 is 10 V or more, the certification ECU (smart key ECU assembly) cannot communicate for 3 seconds or more.	CAN communication line Certification ECU (smart key ECU assembly) No. 2 skid control ECU (brake actuator assembly)	Comes on	Brake/EPB	SAE Code: U1107 Output ECU: No. 2 skid control ECU (brake actuator assembly)
U111A-87	Lost Communication with ECM/PCM "A" (ch2) Missing Message	When terminal IG2 voltage is 10 V or more, data cannot be received from the ECM for 2 seconds or more.	CAN communication line ECM No. 2 skid control ECU (brake actuator assembly)	Comes on	Brake/EPB	SAE Code: U111A Output ECU: No. 2 skid control ECU (brake actuator assembly)
U1150-87	Lost Communication with Hybrid Powertrain Control Module (ch2) Missing Message	When terminal IG2 voltage is 10 V or more, data from the hybrid vehicle control ECU cannot be received for 2 seconds or more.	CAN communication line Hybrid vehicle control ECU No. 2 skid control ECU (brake actuator assembly)	Comes on	Brake/EPB	SAE Code: U1150 (Case 1) Output ECU: No. 2 skid control ECU (brake actuator assembly)
U1159-87	Lost Communication with Electronic Brake Booster Control Module "A" (ch3) Missing Message	When the voltage at terminal IG1 is 10 V or more, communication between the No. 1 skid control ECU (brake booster with master cylinder assembly) and No. 2 skid control ECU (brake actuator assembly) is not possible for 2 seconds or more.	CAN communication line No. 1 skid control ECU (brake booster with master cylinder assembly) No. 2 skid control ECU (brake actuator assembly)	Does not come on	Brake/EPB	Output ECU: No. 2 skid control ECU (brake actuator assembly)