DTC U114B-87: Lost Communication with Image Processing Module "A" (ch2) Missing Message [11/2021 - ]: Description
WARNING: This page is about a different car, the 2024 Lexus LS 500h, 2023 Lexus LS 500h, and 2022 Lexus LS 500h. However, it is still accessible from the selected car via links, so may be relevant.
This DTC is output if a malfunction occurs in the CAN communication system between the advanced drive extension ECU assembly and object recognition camera.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | DTC Output from | Note |
|---|---|---|---|---|---|
| U114B-87 | Lost Communication with Image Processing Module "A" (ch2) Missing Message | Communication between the advanced drive extension ECU assembly and the object recognition camera is lost for approximately 1 second or more |
|
Advanced Drive eXtension Control | - |
PATTERN 1
| DTC output part name (Display on Techstream) |
Suspected Area (Malfunction Status) | ||||
|---|---|---|---|---|---|
| Advanced Drive Extension ECU Assembly | Driving Support ECU Assembly | Advanced Drive ECU Assembly | |||
| Advanced Drive eXtension Control | Driving Support Computer | Pre-Collision System | Advanced Drive Control | ||
| U114B-87 | U114B-87 | U114B-87 | U114B-87 | U1154-B81 | |
| ◦ | ◦ | ◦ | ◦ | ◦ | Local bus main line (Open or short) |
| Local bus branch line (Short) | |||||
| Driving support ECU assembly (Internal malfunction) | |||||
| Object recognition camera (Internal malfunction) | |||||
| Advanced drive ECU assembly (Internal malfunction) | |||||
| Advanced drive extension ECU assembly (Internal malfunction) | |||||
◦: DTC is output
-: DTC is not output
PATTERN 2
| DTC output part name (Display on Techstream) |
Suspected Area (Malfunction Status) | ||||
|---|---|---|---|---|---|
| Advanced Drive Extension ECU Assembly | Driving Support ECU Assembly | Advanced Drive ECU Assembly | |||
| Advanced Drive eXtension Control | Driving Support Computer | Pre-Collision System | Advanced Drive Control | ||
| U114B-87 | U114B-87 | U114B-87 | U114B-87 | U1154-B81 | |
| ◦ | - | - | - | - | Local bus branch line (Open) |
| Advanced drive extension ECU assembly (Internal malfunction) | |||||
◦: DTC is output
-: DTC is not output