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 - ]: Procedure
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.
- CHECK FOR DTCs
- Clear the DTCs.
Body Electrical > Pre-Collision System > Clear DTCs
- Reproduce the vehicle conditions that were present when the DTCs that were noted were stored.
HINT:
If the detection conditions are not met, the system cannot detect malfunctions.
- Check for DTCs.
Body Electrical > Pre-Collision System > Trouble Codes
Result
Result Proceed to CAN communication system DTC is not output A CAN communication system DTC is output B
Result:
A
USE SIMULATION METHOD TO CHECK. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [05/2023 - ]
Result:
B
GO TO CAN COMMUNICATION SYSTEM. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [05/2023 - ]
- Clear the DTCs.