DTC U0140: Lost Communication with Body Control Module; DTC U0142: Lost Communication with Body Control Module "B"; DTC U0155: Lost Communication with Combination Meter; DTC U0230: Lost Communication with Rear Gate Module; DTC U0293: Lost Communication with Hybrid Vehicle Control System; DTC U1117: Lost Communication with Accessory Gateway [10/2018 - ]: Description

These DTCs are stored when there is a CAN communication malfunction between the ECM, certification ECU (smart key ECU assembly), hybrid vehicle control ECU, main body ECU (multiplex network body ECU) or combination meter assembly, and data from the option connector (bus buffer ECU) cannot be received.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	Note
U0140	Lost Communication with Body Control Module	CAN communication malfunction between certification ECU (smart key ECU assembly) and main body ECU (multiplex network body ECU) (1-trip detection logic*)	Main body ECU (multiplex network body ECU)	DTC Output Confirmation Operation: Always
U0142	Lost Communication with Body Control Module "B"	CAN communication malfunction between certification ECU (smart key ECU assembly) and main body ECU (multiplex network body ECU) (1-trip detection logic*)	Main body ECU (multiplex network body ECU)	DTC Output Confirmation Operation: Always
U0155	Lost Communication with Combination Meter	CAN communication malfunction between certification ECU (smart key ECU assembly) and combination meter assembly (1-trip detection logic*)	Combination meter assembly	DTC Output Confirmation Operation: Turn the power switch on (IG) and wait at least 10 seconds.
U0230	Lost Communication with Rear Gate Module	CAN communication malfunction between smart key ECU assembly (certification ECU) and multiplex network door ECU (1 trip detection logic*)	Multiplex network door ECU	DTC Output Confirmation Operation: Turn the power switch on (IG) and wait at least 3 seconds.
U0293	Lost Communication with Hybrid Vehicle Control System	CAN communication error between certification ECU (smart key ECU assembly) and hybrid vehicle control ECU (1-trip detection logic*)	Hybrid vehicle control ECU	DTC Output Confirmation Operation: Turn the power switch on (IG) and wait at least 10 seconds.
U1117	Lost Communication with Accessory Gateway	Data from the option connector (bus buffer ECU) cannot be received	Connector and branch wire of sub bus 2 of option connector (bus buffer ECU) Internal malfunction of option connector (bus buffer ECU)	DTC Output Confirmation Operation: Turn the power on (IG) and wait at least 10 seconds.

*: Only detected while a malfunction is present.

VEHICLE CONDITION AND FAIL-SAFE FUNCTION WHEN MALFUNCTION DETECTED

DTC Code	Vehicle Condition when Malfunction Detected	Fail-safe Function when Malfunction Detected
U0140	The warning (meter buzzer) does not sound and no warning messages displayed on the multi-information display.	-
U0142	Doors cannot be locked or unlocked. The warning (wireless buzzer) does not sound (w/ Door Ajar Warning Function).	-
U0155	The warning (meter buzzer) does not sound and no warning messages displayed on the multi-information display.	-
U0230*1	Power back door does not operate.	-
U0293	The warning (meter buzzer) does not sound and no warning messages displayed on the multi-information display.	-
U1117	The engine cannot be started using the wireless remote control function.	-

*1: w/ Power Back Door System

RELATED DATA LIST AND ACTIVE TEST ITEMS

DTC No.	Data List and Active Test
U0140 U0142 U0155 U0230*1 U0293 U1117	-

*1: w/ Power Back Door System