DTC U0232-87: Lost Communication with Side Obstacle Detection Control Module "A" Missing Message; DTC U1236-87: Lost Communication with Cruise Control Front Distance Range Sensor Front Side "B" Missing Message [10/2023 - ]: Description
Forward recognition camera is connected to the blind spot monitor sensor LH (A), headlight ECU sub-assembly LH and front side radar sensor (B)*1 by CAN communication line.
If communication with the blind spot monitor sensor LH (A) stops, the forward recognition camera stores DTC U0232-87.
If communication with the front side radar sensor (B) stops, the forward recognition camera stores DTC U1236-87.*1
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | DTC Output from | Priority |
|---|---|---|---|---|---|
| U0232-87 | Lost Communication with Side Obstacle Detection Control Module "A" Missing Message | When a communication error between forward recognition camera and blind spot monitor sensor LH (A) is detected |
|
Front Recognition Camera | A |
| U1236-87 | Lost Communication with Cruise Control Front Distance Range Sensor Front Side "B" Missing Message | When a communication error between forward recognition camera and front side radar sensor (B) is detected |
|
Front Recognition Camera | A |
- *1: w/ Front Cross Traffic Alert
- *2: w/ Parking Support Brake System
HINT:
If the DTCs are output simultaneously, the inspection area can be narrowed down.
W/ FRONT CROSS TRAFFIC ALERT
| Pattern | DTC output part name (Display on GTS) |
Suspected Area (Malfunction Status) | |
|---|---|---|---|
| Forward Recognition Camera | |||
| Front Recognition Camera | |||
| U0232-87 | U1236-87 | ||
| Pattern 1 | ◦ | ◦ | Harness or connector (Open or short) |
| Blind spot monitor sensor LH (A) (Internal malfunction) | |||
| Front side radar sensor (B) (Internal malfunction) | |||
| Clearance warning ECU assembly (Internal malfunction)* | |||
| No. 5 CAN junction terminal (Internal malfunction) | |||
| Forward recognition camera (Internal malfunction) | |||
| Pattern 2 | ◦ | - | Harness or connector (Open) |
| Blind spot monitor sensor LH (A) (Internal malfunction) | |||
| Pattern 3 | - | ◦ | Harness or connector (Open) |
| Front side radar sensor (B) (Internal malfunction) | |||
◦: DTC is output-: DTC is not output*: w/ Parking Support Brake System
W/O FRONT CROSS TRAFFIC ALERT
| Pattern | DTC output part name (Display on GTS) |
Suspected Area (Malfunction Status) |
|---|---|---|
| Forward Recognition Camera | ||
| Front Recognition Camera | ||
| U0232-87 | ||
| Pattern 1 | ◦ | Harness or connector (Open or short) |
| Blind spot monitor sensor LH (A) (Internal malfunction) | ||
| Clearance warning ECU assembly (Internal malfunction)* | ||
| No. 5 CAN junction terminal (Internal malfunction) | ||
| Forward recognition camera (Internal malfunction) |
◦: DTC is output-: DTC is not output*: w/ Parking Support Brake System