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 U0155-87: Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message; DTC U0164-87: Lost Communication with HVAC Control Module Missing Message; DTC U0293-87: Lost Communication With Hybrid Powertrain Control Module Missing Message [09/2022 - ]: Description
WARNING: This page does not describe the selected car, but rather 6 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.
These DTCs are stored when the clearance warning ECU assembly cannot receive and recognize several signals via the CAN communication line.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| U0100-87 | Lost Communication With ECM/PCM "A" Missing Message | Lost communication with ECM | CAN communication system |
| U0125-87 | Lost Communication With Multi-axis Acceleration Sensor Module Missing Message | Lost communication with yaw rate and acceleration sensor | CAN communication system |
| U0126-87 | Lost Communication with Steering Angle Sensor Module Missing Message | Lost communication with steering sensor | CAN communication system |
| U0129-87 | Lost Communication With Brake System Control Module Missing Message | Lost communication with skid control ECU | CAN communication system |
| U0140-87 | Lost Communication with Body Control Module Missing Message | Lost communication with main body ECU (multiplex network body ECU) | CAN communication system |
| U0155-87 | Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message | Lost communication with the combination meter assembly | CAN communication system |
| U0164-87 | Lost Communication with HVAC Control Module Missing Message | Lost communication with air conditioning amplifier assembly | CAN communication system |
| U0293-87 | Lost Communication With Hybrid Powertrain Control Module Missing Message | Lost communication with hybrid vehicle control ECU Assembly | CAN communication system |
HINT:
When 2 or more DTCs starting with "U" are output simultaneously, inspect the connectors and wire harnesses of each ECU.