Click here

CAN COMMUNICATION SYSTEM DIAGNOSTIC TROUBLE CODE CHART

Click here
Click here
Table 1. 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
Tip:

The network gateway ECU stores DTCs when it detects a communication stop or network communication error for ECUs connected to sub bus 2.

Click here
U0182 Lost Communication with Lighting Control Module Front

  • Headlight light control ECU sub-assembly LH branch line or connector

  • Power source circuit of headlight light control ECU sub-assembly LH

  • Headlight light control ECU sub-assembly LH ground circuit

  • Headlight light control ECU sub-assembly LH
Tip:

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.

Click here
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
Tip:

The network gateway ECU stores DTCs when it detects a communication stop or network communication error for ECUs connected to sub bus 2.

Click here
U0199 Lost Communication with "Door Control Module A"

  • Outer mirror control ECU assembly (for front passenger side) branch line or connector (for LHD)

  • Power source circuit of outer mirror control ECU assembly (for front passenger side) (for LHD)

  • Outer mirror control ECU assembly (for front passenger side) ground circuit (for LHD)

  • Outer mirror control ECU assembly (for front passenger side) (for LHD)

  • Outer mirror control ECU assembly (for driver side) branch line or connector (for RHD)

  • Power source circuit of outer mirror control ECU assembly (for driver side) (for RHD)

  • Outer mirror control ECU assembly (for driver side) ground circuit (for RHD)

  • Outer mirror control ECU assembly (for driver side) (for RHD)
Tip:

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.

Click here
U0200 Lost Communication with "Door Control Module B"

  • Outer mirror control ECU assembly (for driver side) branch line or connector (for LHD)

  • Power source circuit of outer mirror control ECU assembly (for driver side) (for LHD)

  • Outer mirror control ECU assembly (for driver side) ground circuit (for LHD)

  • Outer mirror control ECU assembly (for driver side) (for LHD)

  • Outer mirror control ECU assembly (for front passenger side) branch line or connector (for RHD)

  • Power source circuit of outer mirror control ECU assembly (for front passenger side) (for RHD)

  • Outer mirror control ECU assembly (for front passenger side) ground circuit (for RHD)

  • Outer mirror control ECU assembly (for front passenger side) (for RHD)
Tip:

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.

Click here
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
Tip:

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.

Click here
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
Tip:

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.

Click here
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
Tip:

The network gateway ECU stores DTCs when it detects a communication stop or network communication error for ECUs connected to sub bus 2.

Click here
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
Tip:

The driving support ECU assembly stores DTCs when it detects a communication stop or network communication error for ECUs connected to sub bus 13.

Click here
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
Tip:

The network gateway ECU stores DTCs when it detects a communication stop or network communication error for ECUs connected to sub bus 2.

Click here
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
Tip:

The driving support ECU assembly stores DTCs when it detects a communication stop or network communication error for ECUs connected to sub bus 13.

Click here
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)

  • Outer mirror control ECU assembly (for front passenger side)

  • Position control ECU and switch assembly LH

  • Position control ECU and switch assembly RH

  • Multiplex tilt and telescopic ECU

  • Headlight light control ECU sub-assembly LH

  • Open or short in No. 3 CAN junction connector (for LHD)

  • Open or short in No. 4 CAN junction connector (for RHD)

  • Open or short in No. 7 CAN junction connector

  • Open or short in No. 9 CAN junction connector

  • Open or short in No. 1 CAN junction terminal
Tip:

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.

Click here
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-crash Safety System)

  • Clearance warning ECU assembly

  • Option connector (bus buffer ECU) (w/ Option Connector)

  • Lane departure warning camera (w/ Lane Departure Alert System)

  • Blind spot monitor sensor LH (w/ Blind Spot Monitor System)

  • Telematics transceiver (w/ Telematics Transceiver)

  • Open or short in No. 3 CAN junction connector (for LHD)

  • Open or short in No. 4 CAN junction connector (for RHD)

  • Open or short in No. 5 CAN junction connector

  • Open or short in No. 9 CAN junction connector

  • Open or short in No. 10 CAN junction connector

  • Open or short in No. 2 CAN junction terminal
Tip:

The network gateway ECU stores DTCs when it detects a communication stop or network communication error for ECUs connected to sub bus 2.

Click here
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
Tip:

The network gateway ECU stores DTCs when it detects a communication stop or network communication error for ECUs connected to sub bus 2.

Click here
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
Tip:

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.

Click here
U1117 Lost Communication with Accessory Gateway

  • Option connector (bus buffer ECU) branch line or connector

  • Option Connector (bus buffer ECU)
Tip:

The network gateway ECU stores DTCs when it detects a communication stop or network communication error for ECUs connected to sub bus 2.

Click here
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. 5 CAN junction connector (for LHD)

  • Open or short in No. 6 CAN junction connector (for RHD)

  • Open or short in No. 8 CAN junction connector
Tip:

As there is no sub bus monitor ECU for V3 bus, each ECU detects communication stops and stores DTCs.

Click here