| U0100 |
Lost Communication with ECM / PCM "A" |
-
Open or short in sub bus 15 main line or connector
-
Open or short in sub bus 15 branch line or connector
-
Power source circuit of hybrid vehicle control ECU assembly
-
Hybrid vehicle control ECU assembly
-
Power source circuit of ECM
-
ECM
-
Open or short in No. 8 CAN junction connector (for LHD)
-
Open or short in No. 7 CAN junction connector (for RHD)
|
Tech Tips
As there is no sub bus monitor ECU for sub bus 15, each ECU detects communication stops and stores DTCs.
|
Click here
|
| 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
|
Tech Tips
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
|
| U0129 |
Lost Communication with Brake System Control Module |
-
Open or short in sub bus 15 main line or connector
-
Open or short in sub bus 15 branch line or connector
-
Power source circuit of hybrid vehicle control ECU assembly
-
Hybrid vehicle control ECU assembly
-
Power source circuit of skid control ECU assembly
-
Skid control ECU assembly
-
Open or short in No. 8 CAN junction connector (for LHD)
-
Open or short in No. 7 CAN junction connector (for RHD)
|
Tech Tips
As there is no sub bus monitor ECU for sub bus 15, each ECU detects communication stops and stores DTCs.
|
Click here
|
| U0129 |
Lost Communication with Brake System Control Module |
-
Skid control ECU assembly branch line or connector
-
Power source circuit of skid control ECU assembly
-
Skid control ECU assembly ground circuit
-
Skid control ECU assembly
|
Tech Tips
As there is no sub bus monitor ECU for sub bus 15, each ECU detects communication stops and stores DTCs.
|
Click here
|
| U0132 |
Lost Communication with Suspension Control ECU |
-
Absorber control ECU branch line or connector
-
Power source circuit of absorber control ECU
-
Absorber control ECU ground circuit
-
Absorber control ECU
|
Tech Tips
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 branch line or connector
-
Power source circuit of outer mirror control ECU assembly
-
Outer mirror control ECU assembly ground circuit
-
Outer mirror control ECU assembly
|
Tech Tips
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 branch line or connector
-
Power source circuit of outer mirror control ECU assembly
-
Outer mirror control ECU assembly ground circuit
-
Outer mirror control ECU assembly
|
Tech Tips
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" |
-
Front power seat switch LH branch line or connector (for LHD)
-
Power source circuit of front power seat switch LH (for LHD)
-
Front power seat switch LH ground circuit (for LHD)
-
Front power seat switch LH (for LHD)
-
Front power seat switch RH branch line or connector (for RHD)
-
Power source circuit of front power seat switch RH (for RHD)
-
Front power seat switch RH ground circuit (for RHD)
-
Front power seat switch RH (for RHD)
|
Tech Tips
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
|
Tech Tips
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
|
Tech Tips
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
|
Tech Tips
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
|
| U0293 |
Lost Communication with Hybrid Vehicle Control System |
-
Open or short in sub bus 15 main line or connector
-
Open or short in sub bus 15 branch line or connector
-
Power source circuit of ECM
-
ECM
-
Power source circuit of hybrid vehicle control ECU assembly
-
Hybrid vehicle control ECU assembly
-
Power source circuit of skid control ECU assembly
-
Skid control ECU assembly
-
Open or short in No. 8 CAN junction connector (for LHD)
-
Open or short in No. 7 CAN junction connector (for RHD)
|
Tech Tips
As there is no sub bus monitor ECU for sub bus 15, each ECU detects communication stops and stores DTCs.
|
Click here
|
| U0293 |
Lost Communication with Hybrid Control Module |
-
Hybrid vehicle control ECU assembly branch line or connector
-
Power source circuit of hybrid vehicle control ECU assembly
-
Hybrid vehicle control ECU assembly ground circuit
-
Hybrid vehicle control ECU assembly
|
Tech Tips
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
|
Tech Tips
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 (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
-
Absorber control ECU
(w/ AVS system)
-
Driving support ECU assembly
(w/ Pre-crash safety system)
-
Clearance warning ECU assembly
(w/ LEXUS parking assist-sensor system)
-
Lane departure warning camera
(w/ Lane departure alert system)
-
Blind spot monitor sensor LH
(w/ Blind spot monitor system)
-
Hybrid vehicle control ECU assembly
-
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 (for LHD)
-
Open or short in No. 6 CAN junction connector (for RHD)
-
Open or short in No. 12 CAN junction connector
-
Open or short in No. 15 CAN junction connector
|
Tech Tips
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 (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 with seat position memory system)
-
Outer mirror control ECU assembly
(for Front passenger side with seat position memory system)
-
Front power seat switch LH
(for LHD with seat position memory system)
-
Front power seat switch RH
(for RHD with seat position memory system)
-
Multiplex tilt and telescopic ECU
(w/ power tilt and power telescopic system)
-
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 (for LHD)
-
Open or short in No. 6 CAN junction connector (for RHD)
-
Open or short in No. 15 CAN junction connector
-
Open or short in junction terminal
|
Tech Tips
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
|
| 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
|
Tech Tips
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
|
Tech Tips
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
|