DTC U0100-87: Lost Communication With ECM/PCM "A" Missing Message; DTC U0125-87: Lost Communication with Multi-axis Acceleration Sensor Module "A" 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 U0131-87: Lost Communication with Power Steering Control Module Missing Message; DTC U0134-87: Lost Communication with Power Steering Control Module Rear Missing Message; DTC U0293-87: Lost Communication with Hybrid/EV Powertrain Control Module Missing [05/2023 - ]: Description
WARNING: This page is about a different car, the 2024 Lexus LC 500h. 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 | While the vehicle is being driven at 5 km/h (3 mph) or more, a communication error between the ECM and the forward recognition camera is detected for approximately 6 seconds or more. | CAN communication system | Pre-Collision System |
| U0125-87 | Lost Communication with Multi-axis Acceleration Sensor Module "A" Missing Message | While the vehicle is being driven at 5 km/h (3 mph) or more, a communication error between the yaw rate sensor and the forward recognition camera is detected for approximately 4 seconds or more. | CAN communication system | Pre-Collision System |
| U0126-87 | Lost Communication with Steering Angle Sensor Module Missing Message | 3 seconds after the power switch is turned on (IG), a communication error between the steering sensor and the forward recognition camera is detected for approximately 1 second or more. | CAN communication system | Pre-Collision System |
| U0129-87 | Lost Communication with Brake System Control Module Missing Message | 3 seconds after the power switch is turned on (IG), a communication error between the skid control ECU assembly and the forward recognition camera is detected for approximately 1 second or more. | CAN communication system | Pre-Collision System |
| U0130-87 | Lost Communication with Steering Effort Control Module Missing Message | 3 seconds after the power 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 1 second or more. | CAN communication system | Pre-Collision System |
| U0131-87 | Lost Communication with Power Steering Control Module Missing Message | 3 seconds after the power switch is turned to on (IG), a communication error between the multiplex network steering ECU (rack and pinion power steering gear assembly) and the forward recognition camera is detected for approximately 5 second or more. | CAN communication system | Pre-Collision System |
| U0134-87 | Lost Communication with Power Steering Control Module Rear Missing Message | 3 seconds after the power 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 1 second or more. | CAN communication system | Pre-Collision System |
| U0293-87 | Lost Communication with Hybrid/EV Powertrain Control Module Missing | While the vehicle is being driven at 5 km/h (3 mph) or more, a communication error between the hybrid vehicle control ECU assembly and the forward recognition camera is detected for approximately 6 seconds or more. | CAN communication system | Pre-Collision System |