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 U0130-87: Lost Communication with Steering Effort Control Module Missing Message; DTC U0134-87: Lost Communication with Power Steering Control Module Rear Missing Message; DTC U0140-87: Lost Communication with Body Control Module Missing Message [10/2022 - ]: Description
WARNING: This page is about a different car, the 2024 Lexus RC 350, 2024 Lexus RC 300, 2023 Lexus RC 350, and 2023 Lexus RC 300. 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 |
|---|---|---|---|
| U0100-87 | Lost Communication with ECM/PCM "A" Missing Message | 3 seconds after the engine switch is turned 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 approximately 5 seconds or more. | CAN communication system |
| U0125-87 | Lost Communication with Multi-axis Acceleration Sensor Module Missing Message | 3 seconds after the engine switch is turned 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 |
| U0126-87 | Lost Communication with Steering Angle Sensor Module Missing Message | 3 seconds after the engine switch is turned on (IG), a communication error between the steering sensor and the forward recognition camera is detected for approximately 5 seconds or more. | CAN communication system |
| U0129-87 | Lost Communication with Brake System Control Module Missing Message | 3 seconds after the engine switch is turned on (IG), a communication error between the skid control ECU (brake actuator assembly) and the forward recognition camera is detected for approximately 5 seconds or more. | CAN communication system |
| U0130-87 | Lost Communication with Steering Effort Control Module Missing Message | 3 seconds after the engine switch is turned on (IG), a communication error between the VGRS ECU (front steering control ECU) and the forward recognition camera is detected for approximately 5 seconds or more. | CAN communication system |
| U0134-87 | Lost Communication with Power Steering Control Module Rear Missing Message | 3 seconds after the engine switch is turned on (IG), a communication error between the DRS ECU (rear steering control ECU) and the forward recognition camera is detected for approximately 5 seconds or more. | CAN communication system |
| U0140-87 | Lost Communication with Body Control Module Missing Message | 3 seconds after the engine switch is turned on (IG), a communication error between the main body ECU (multiplex network body ECU) and the forward recognition camera is detected for approximately 5 seconds or more. | CAN communication system |