| DTC Code | DTC Name |
|---|---|
| U1104 | Lost Communication with Driving Support ECU |
| U1119 | Lost Communication with Object Recognition ECU (CAN) |
DESCRIPTION
These DTCs are stored when a malfunction occurs in the CAN communication circuit.
| DTC Code | DTC Detection Condition | Trouble Area |
|---|---|---|
| U1104 | There is a malfunction in the communication with the driving support ECU assembly. | CAN communication system |
| U1119 | There is a malfunction in the communication with the object recognition ECU. | CAN communication system |
PROCEDURE
CHECK CAN COMMUNICATION SYSTEM
Use the GTS to check if the CAN communication system is functioning normally.
for LHD: Click here.
for RHD: Click here.
| OK |
|---|
| CAN communication system DTCs are not output. |
Tech Tips
If DTCs indicating CAN communication malfunctions are output at the same time as other DTCs, perform troubleshooting for the other DTCs after the CAN communication system returns to normal.
| Result | Proceed to |
|---|---|
| OK | A |
| NG (for LHD) | B |
| NG (for RHD) | C |
| A |
|
USE SIMULATION METHOD TO CHECK Click here |
| B |
|
GO TO CAN COMMUNICATION SYSTEM Click here |
| C |
|
GO TO CAN COMMUNICATION SYSTEM Click here |