Diagnostic Trouble Code Chart [08/2019 - ]

DIAGNOSTIC TROUBLE CODE CHART

DTC No.	Detection Item	Trouble Area	Note	Link
B1003	ECU Malfunction	Central Gateway ECU (Network Gateway ECU)	-	Refer to DTC B1003: ECU Malfunction [08/2019 - ]
U0142	Lost Communication with Main Body ECU	Main body ECU (multiplex network body ECU) main line or connector Power source circuit of main body ECU (multiplex network body ECU) Main body ECU (multiplex network body ECU) ground circuit Main body ECU (multiplex network body ECU) Drive monitor switch main line or connector Drive monitor switch No. 1 CAN junction connector	HINT: The drive monitor switch stores DTCs when it detects a communication stop or network communication error for ECUs connected to sub bus 1.	Refer to DTC U0142: Lost Communication with Main Body ECU [08/2019 - ]
U0208	Lost Communication with "Seat Control Module A"	Front power seat switch LH branch line or connector Power source circuit of front power seat switch LH Front power seat switch LH ground circuit Front power seat switch LH	HINT: The main body ECU (multiplex network body ECU) stores DTCs when it detects a communication stop or network communication error for ECUs connected to sub bus 1.	Refer to DTC U0208: Lost Communication with "Seat Control Module A" [08/2019 - ]
U1002	Lost Communication with Gateway Module	Open or short in sub bus 1 main lines or connector Short in sub bus 1 branch lines or connector (w/ Seat Position Memory) Main body ECU (multiplex network body ECU) Front power seat switch LH (w/ Seat Position Memory) No. 1 CAN junction terminal (w/ Seat Position Memory) Drive monitor switch (w/ Kinetic Dynamic Suspension System) No. 1 CAN junction connector	HINT: The main body ECU (multiplex network body ECU) stores DTCs when it detects a communication stop or network communication error for ECUs connected to sub bus 1.	Refer to DTC U1002: Lost Communication with Gateway Module [08/2019 - ]
U1114	Lost Communication with Main Switch Module	Drive monitor switch main line or connector Power source circuit of drive monitor switch Drive monitor switch ground circuit Drive monitor switch Main body ECU (multiplex network body ECU) main line or connector Main body ECU (multiplex network body ECU) No. 1 CAN junction connector	HINT: The main body ECU (multiplex network body ECU) stores DTCs when it detects a communication stop or network communication error for ECUs connected to sub bus 1.	Refer to DTC U1114: Lost Communication with Main Switch Module [08/2019 - ]