Diagnostic Trouble Code Chart [09/2014 - 08/2016]

DIAGNOSTIC TROUBLE CODE CHART

DTC No.	Detection Item	Trouble Area	Note	Link
U0104	Lost Communication with Driving Support ECU	Driving support ECU assembly branch line or connector Power source circuit of driving support ECU assembly Driving support ECU assembly ground circuit Driving support ECU assembly	HINT: The network gateway ECU stores DTCs when it detects a communication stop or network communication error for ECUs connected to sub bus 2.	Refer to DTC U0104: Lost Communication with Driving Support ECU [09/2014 - 11/2017]
U0182	Lost Communication with Lighting Control Module Front	Headlight leveling ECU assembly branch line or connector (for Single Beam Headlight) Power source circuit of headlight leveling ECU assembly (for Single Beam Headlight) Headlight leveling ECU assembly ground circuit (for Single Beam Headlight) Headlight leveling ECU assembly (for Single Beam Headlight) Headlight light control ECU sub-assembly LH branch line or connector (for Triple Beam Headlight) Power source circuit of headlight light control ECU sub-assembly LH (for Triple Beam Headlight) Headlight light control ECU sub-assembly LH ground circuit (for Triple Beam Headlight) Headlight light control ECU sub-assembly LH (for Triple Beam Headlight)	HINT: The network gateway ECU stores DTCs when it detects a communication stop or network communication error for ECUs connected to sub bus 2. (for Single Beam Headlight) 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. (for Triple Beam Headlight)	Refer to DTC U0182: Lost Communication with Lighting Control Module Front [09/2014 - 11/2017]
U0198	Lost Communication with Telematic Control Module	Telematics transceiver branch line or connector Power source circuit of telematics transceiver Telematics transceiver ground circuit Telematics transceiver	HINT: The network gateway ECU stores DTCs when it detects a communication stop or network communication error for ECUs connected to sub bus 2.	Refer to DTC U0198: Lost Communication with Telematic Control Module [09/2014 - 11/2017]
U0199	Lost Communication with "Door Control Module A"	Outer mirror control ECU assembly (for front passenger side) branch line or connector Power source circuit of outer mirror control ECU assembly (for front passenger side) Outer mirror control ECU assembly (for front passenger side) ground circuit Outer mirror control ECU assembly (for front passenger side)	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 U0199: Lost Communication with "Door Control Module A" [09/2014 - 11/2017]
U0200	Lost Communication with "Door Control Module B"	Outer mirror control ECU assembly (for driver side) branch line or connector Power source circuit of outer mirror control ECU assembly (for driver side) Outer mirror control ECU assembly (for driver side) ground circuit Outer mirror control ECU assembly (for driver side)	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 U0200: Lost Communication with "Door Control Module B" [09/2014 - 11/2017]
U0208	Lost Communication with "Seat Control Module A"	Position control ECU and switch assembly LH branch line or connector Power source circuit of position control ECU and switch assembly LH Position control ECU and switch assembly LH ground circuit Position control ECU and switch assembly 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" [09/2014 - 11/2017]
U0209	Lost Communication with "Seat Control Module B"	Position control ECU and switch assembly RH branch line or connector Power source circuit of position control ECU and switch assembly RH Position control ECU and switch assembly RH ground circuit Position control ECU and switch assembly RH	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 U0209: Lost Communication with "Seat Control Module B" [09/2014 - 11/2017]
U0233	Lost Communication with Blind Spot Monitor Master Module	Blind spot monitor sensor LH branch line or connector Power source circuit of blind spot monitor sensor LH Blind spot monitor sensor LH ground circuit Blind spot monitor sensor LH	HINT: The network gateway ECU stores DTCs when it detects a communication stop or network communication error for ECUs connected to sub bus 2.	Refer to DTC U0233: Lost Communication with Blind Spot Monitor Master Module [09/2014 - 11/2017]
U0235	Lost Communication with Cruise Control Front Distance Range Sensor	Open or short in sub bus 13 main line or connector Millimeter wave radar sensor assembly Power source circuit of millimeter wave radar sensor assembly Millimeter wave radar sensor assembly ground circuit	HINT: The driving support ECU assembly stores DTCs when it detects a communication stop or network communication error for ECUs connected to sub bus 13.	Refer to DTC U1002: Lost Communication with Gateway Module (Sensor Bus); DTC U0235: Lost Communication with Cruise Control Front Distance Range Sensor [09/2014 - 11/2017]
U023A	Lost Communication with Front Camera Module	Lane departure warning camera branch line or connector Power source circuit of lane departure warning camera Lane departure warning camera ground circuit Lane departure warning camera	HINT: The network gateway ECU stores DTCs when it detects a communication stop or network communication error for ECUs connected to sub bus 2.	Refer to DTC U023A: Lost Communication with Front Camera Module [09/2014 - 11/2017]
U0265	Lost Communication with Parking Assist Monitor Module	Rear television camera assembly branch line or connector Power source circuit of rear television camera assembly Rear television camera assembly ground circuit Rear television camera assembly	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 U0265: Lost Communication with Parking Assist Monitor Module [09/2014 - 11/2017]
U1002	Lost Communication with Gateway Module (Sensor Bus)	Open or short in sub bus 13 main line or connector Driving support ECU assembly Power source circuit of driving support ECU assembly Driving support ECU assembly ground circuit Millimeter wave radar sensor assembly Power source circuit of millimeter wave radar sensor assembly Millimeter wave radar sensor assembly ground circuit	HINT: The driving support ECU assembly stores DTCs when it detects a communication stop or network communication error for ECUs connected to sub bus 13.	Refer to DTC U1002: Lost Communication with Gateway Module (Sensor Bus); DTC U0235: Lost Communication with Cruise Control Front Distance Range Sensor [09/2014 - 11/2017]
U1002	Lost Communication with Gateway Module (Main Body ECU)	Open or short in sub bus 1 main lines or connector Short in sub bus 1 branch lines or connector Main body ECU (multiplex network body ECU) Outer mirror control ECU assembly (for driver side) (w/ Seat Position Memory System) Outer mirror control ECU assembly (for front passenger side) (w/ Seat Position Memory System) Position control ECU and switch assembly LH (w/ Seat Position Memory System) Position control ECU and switch assembly RH (w/ Seat Position Memory System) Multiplex tilt and telescopic ECU Rear television camera assembly Headlight light control ECU sub-assembly LH (for Triple Beam Headlight) Open or short in No. 3 CAN junction connector Open or short in No. 5 CAN junction connector Open or short in No. 7 CAN junction connector Open or short in No. 1 CAN junction terminal	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 (Main Body ECU) [09/2014 - 11/2017]
U1002	Lost Communication with Gateway Module (Network Gateway ECU)	Open or short in sub bus 2 main lines or connector Short in sub bus 2 branch lines or connector Network gateway ECU Driving support ECU assembly (w/ Pre-collision System) Clearance warning ECU assembly (w/ Intuitive Parking Assist System) Option connector (bus buffer ECU) Lane departure warning camera (w/ Lane Departure Alert System) Blind spot monitor sensor LH (w/ Blind Spot Monitor System) Telematics transceiver (for Lexus Enform Remote Compatible Type) Headlight leveling ECU assembly (for Single Beam Headlight) Open or short in No. 3 CAN junction connector Open or short in No. 4 CAN junction connector Open or short in No. 7 CAN junction connector Open or short in No. 9 CAN junction connector Open or short in No. 2 CAN junction terminal	HINT: The network gateway ECU stores DTCs when it detects a communication stop or network communication error for ECUs connected to sub bus 2.	Refer to DTC U1002: Lost Communication with Gateway Module (Network Gateway ECU) [09/2014 - 08/2016]
U1110	Lost Communication with Clearance Sonar Module	Clearance warning ECU assembly branch line or connector Power source circuit of clearance warning ECU assembly Clearance warning ECU assembly ground circuit Clearance warning ECU assembly	HINT: The network gateway ECU stores DTCs when it detects a communication stop or network communication error for ECUs connected to sub bus 2.	Refer to DTC U1110: Lost Communication with Clearance Sonar Module [09/2014 - 11/2017]
U1115	Lost Communication with Tilt & Telescopic Module	Multiplex tilt and telescopic ECU branch line or connector Power source circuit of multiplex tilt and telescopic ECU Multiplex tilt and telescopic ECU ground circuit Multiplex tilt and telescopic ECU	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 U1115: Lost Communication with Tilt & Telescopic Module [09/2014 - 11/2017]
U1117	Lost Communication with Accessory Gateway	Option connector (bus buffer ECU) branch line or connector Option Connector (bus buffer ECU)	HINT: The network gateway ECU stores DTCs when it detects a communication stop or network communication error for ECUs connected to sub bus 2.	Refer to DTC U1117: Lost Communication with Accessory Gateway [09/2014 - 11/2017]
U1172	Lost Communication with Vehicle Dynamics Control Module (ch2)	Open or short in V3 bus main line or connector Open or short in torque vectoring differential ECU assembly branch line or connector Short in roll rate and vertical acceleration sensor branch line or connector Power source circuit of skid control ECU (brake actuator assembly) Skid control ECU (brake actuator assembly) ECM Torque vectoring differential ECU assembly Roll rate and vertical acceleration sensor Open or short in No. 4 CAN junction connector Open or short in No. 6 CAN junction connector	HINT: As there is no sub bus monitor ECU for V3 bus, each ECU detects communication stops and stores DTCs.	Refer to DTC U1172: Lost Communication with Vehicle Dynamics Control Module (ch2) [09/2014 - 08/2016]