DTC U0129-87: Lost Communication With Brake System Control 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 U0164-87: Lost Communication with HVAC Control Module Missing Message; DTC U1107-87: Lost Communication with Power Management Module Missing Message; DTC U1170-87: Lost Communication with Brake System Control Module (Secondary CAN Line) Missing Message; DTC U1176-87: Lost Communication with Gear Shift Control Module "A" (Powertrain Bus) Missing Message; DTC U117B-87: Lost Communication with Hybrid/EV Battery Energy Control Module "A" (ch2) Missing Message [12/2023 - ]: Description

The EV control ECU transmits and receives signals via CAN communication to and from each ECU.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	Warning Indicate	DTC Output from	Priority
U0129-87	Lost Communication With Brake System Control Module Missing Message	A CAN communication error (V BUS) between the skid control ECU assembly and EV control ECU (CAN communication system malfunction) occurs (1 trip detection logic)	CAN communication system	Master Warning: Comes on	EV	B
U0140-87	Lost Communication with Body Control Module Missing Message	A CAN communication error between the main body ECU and EV control ECU (CAN communication system malfunction) occurs (1 trip detection logic)	CAN communication system	Master Warning: Comes on	EV	B
U0151-87	Lost Communication with Restraints Control Module Missing Message	A CAN communication error between the airbag ECU assembly and EV control ECU (CAN communication system malfunction) occurs (1 trip detection logic)	CAN communication system	Master Warning: Comes on	EV	B
U0164-87	Lost Communication with HVAC Control Module Missing Message	A CAN communication error between the air conditioning amplifier assembly and EV control ECU (CAN communication system malfunction) occurs (1 trip detection logic)	CAN communication system	Master Warning: Does not come on	EV	B
U1107-87	Lost Communication with Power Management Module Missing Message	A CAN communication error between the certification ECU (smart key ECU assembly) (CAN communication system malfunction) occurs (1 trip detection logic)	CAN communication system	Master Warning: Comes on	EV	B
U1170-87	Lost Communication with Brake System Control Module (Secondary CAN Line) Missing Message	A CAN communication error between the skid control ECU assembly and EV control ECU (CAN communication system malfunction) occurs (1 trip detection logic)	CAN communication system	Master Warning: Comes on	EV	B
U1176-87	Lost Communication with Gear Shift Control Module "A" (Powertrain Bus) Missing Message	A CAN communication error between the shift control ECU and EV control ECU (CAN communication system malfunction) occurs (1 trip detection logic)	CAN communication system	Master Warning: Comes on	EV	B
U117B-87	Lost Communication with Hybrid/EV Battery Energy Control Module "A" (ch2) Missing Message	A CAN communication error between the battery ECU assembly and EV control ECU (CAN communication system malfunction) occurs (1 trip detection logic)	CAN communication system	Master Warning: Comes on	EV	B