DTC U0100-87: Lost Communication With ECM/PCM "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 "A" Missing Message; DTC U0131-87: Lost Communication with Power Steering Control Module "A" Missing Message; DTC U0140-87: Lost Communication with Body Control Module Missing Message; DTC U0150-87: Lost Communication with Serial Data Gateway Module "E" Missing Message; DTC U0151-87: Lost Communication with Restraints Control Module Missing Message; DTC U0155-87: Lost Communication with Instrument Panel Cluster (IPC) Control Module; DTC U0269-87: Lost Communication with Image Processing Sensor E Missing Message; DTC U0293-87: Lost Communication with Hybrid/EV Powertrain Control Module Missing [10/2023 - ]: Procedure
WARNING: This page is about a different car, the 2024 Lexus LS 500h, 2023 Lexus LS 500h, and 2022 Lexus LS 500h. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK DTC
- Clear DTCs.
Chassis > Advanced Drive eXtension Control > Clear DTCs
- Wait at least 5 minutes.
- Check for DTCs.
Chassis > Advanced Drive eXtension Control > Trouble Codes
Result
Result Proceed to DTCs U0100-87, U0126-87, U0129-87, U0131-87, U0140-87, U0150-87, U0151-87, U0155-87, U0269-87 or U0293-87 are output A DTCs are not output B
Result:
A
GO TO CAN COMMUNICATION SYSTEM. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2023 - ]
Result:
B
USE SIMULATION METHOD TO CHECK. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2023 - ]
- Clear DTCs.