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; DTC U0293-87: Lost Communication with Hybrid Powertrain Control Module Missing Message [08/2021 - ]: Description
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2024 Lexus ES 350, 2024 Lexus ES 300h, 2024 Lexus ES 250, 2023 Lexus ES 350, and 2023 Lexus ES 300h. 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 ignition switch is turned to ON, 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 or more after the ignition switch is turned ON, while the vehicle is being driven at 1 km/h or 1 mph or more, a communication error between the airbag ECU assembly 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 ignition switch is turned ON, 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 | For HV Model:
For Gasoline Model:
|
CAN communication system |
| U0140-87 | Lost Communication with Body Control Module Missing Message | 3 seconds after the ignition switch is turned ON, 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 |
| U0293-87 | Lost Communication with Hybrid Powertrain Control Module Missing Message | 3 seconds after the ignition switch is turned ON, while the vehicle is being driven at 1 km/h or 1 mph or more, a communication error between the hybrid vehicle control ECU and the forward recognition camera is detected for approximately 5 seconds or more. | CAN communication system |