DTC U0104-87: Lost Communication with Cruise Control Module Missing Message [09/2020 - ]: Description
WARNING: This page does not describe the selected car, but rather 11 other vehicles, including the 2024 Lexus IS 500, 2024 Lexus IS 350, 2024 Lexus IS 300, 2023 Lexus IS 500, and 2023 Lexus IS 350. However, it is still accessible from the selected car via links, so may be relevant.
The millimeter wave radar sensor assembly communicates with the forward recognition camera via CAN communication.
If a communication error is detected between the forward recognition camera and millimeter wave radar sensor assembly, the millimeter wave radar sensor assembly stores this DTC.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| U0104-87 | Lost Communication with Cruise Control Module Missing Message | Detection condition:
Malfunction status:
Malfunction duration:
|
|
| Pattern | DTC output part name (Display on Techstream) |
Suspected Area (Malfunction Status) | ||||
|---|---|---|---|---|---|---|
| Millimeter Wave Radar Sensor Assembly | Forward Recognition Camera | |||||
| Front Radar Sensor | Pre-Collision System | Lane Control | Forward Recognition Camera (Front Lighting Control) | Radar Cruise 2 | ||
| U0104-87 | U0235-87 | U0235-87 | U0235-87 | U0235-87 | ||
| Pattern 1 | ◦ | ◦ | ◦ | ◦ | ◦ | Harness or connector (Open or short) |
| Millimeter wave radar sensor assembly (Internal malfunction) | ||||||
| Forward recognition camera (Internal malfunction) | ||||||
| Pattern 2 | ◦ | - | - | - | - | Forward recognition camera (Internal malfunction) |
| Millimeter wave radar sensor assembly (Internal malfunction) | ||||||
◦: DTC is output-: DTC is not output
HINT:
If the DTCs are output simultaneously, the inspection area can be narrowed down.