DTC U0100-87: Lost Communication with ECM/PCM "A" Missing Message; DTC U0125-87: Lost Communication with Multi-axis Acceleration Sensor Module Missing Message; DTC U0126-87: Lost Communication with Steering Angle Sensor Module Missing Message; DTC U0129-87: Lost Communication with Brake System Control Module Missing Message; DTC U0140-87: Lost Communication with Body Control Module Missing Message [05/2023 - ]: Description
WARNING: This page is about a different car, the 2024 Lexus LC 500. However, it is still accessible from the selected car via links, so may be relevant.
When a malfunction is detected between various ECUs and sensors, these DTCs are stored.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | DTC Output from |
|---|---|---|---|---|
| U0100-87 | Lost Communication with ECM/PCM "A" Missing Message | 3 seconds after the engine switch is on (IG), while the vehicle is being driven at 1 km/h or 1 mph or more, a communication error between the ECM and the forward recognition camera is detected for 5 seconds or more. | CAN communication system | Front Recognition Camera |
| U0125-87 | Lost Communication with Multi-axis Acceleration Sensor Module Missing Message | 3 seconds after the engine switch is on (IG), while the vehicle is being driven at 1 km/h or 1 mph or more, a communication error between the yaw rate sensor and the forward recognition camera is detected for approximately 5 seconds or more. | CAN communication system | Front Recognition Camera |
| U0126-87 | Lost Communication with Steering Angle Sensor Module Missing Message | 3 seconds after the engine switch is on (IG), a communication error between the steering sensor and the forward recognition camera is detected for 5 seconds or more. | CAN communication system | Front Recognition Camera |
| U0129-87 | Lost Communication with Brake System Control Module Missing Message | 3 seconds after the engine switch is on (IG), a communication error between the skid control ECU assembly and the forward recognition camera is detected for 5 seconds or more. | CAN communication system | Front Recognition Camera |
| U0140-87 | Lost Communication with Body Control Module Missing Message | 3 seconds after the engine switch is on (IG), a communication error between the main body ECU (multiplex network body ECU) and the forward recognition camera is detected for 5 seconds or more. | CAN communication system | Front Recognition Camera |