DTC U023A-87: Lost Communication with Image Processing Module "A" Missing Message [10/2022 - ]: Description
The millimeter wave radar sensor assembly is connected to the forward recognition camera via the CAN communication line. If the millimeter wave radar sensor assembly receives signals indicating that its communication with the forward recognition camera is abnormal, the millimeter wave radar sensor assembly stores DTC U023A-87.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| U023A-87 | Lost Communication with Image Processing Module "A" Missing Message | When the ignition switch is ON for 3 seconds or more, a forward recognition camera communication malfunction continues for approximately 3 seconds or more. |
|
| Pattern | DTC output part name (Display on Techstream) |
Suspected Area (Malfunction Status) | |||
|---|---|---|---|---|---|
| Millimeter Wave Radar Sensor Assembly | Forward Recognition Camera | ||||
| Pre-Collision System | Radar Cruise2 | Lane Control | Forward Recognition Camera (Front Lighting Control) | ||
| U023A-87 | U023A-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 | ◦ | ◦ | - | - | Millimeter wave radar sensor assembly (Internal malfunction) |
| Forward recognition camera (Internal malfunction) | |||||
◦: DTC is output-: DTC is not output
HINT:
If the DTCs are output simultaneously, the inspection area can be narrowed down.