Monitor Description
WARNING: This page is about a different car, the 2024 Lexus TX 500h. However, it is still accessible from the selected car via links, so may be relevant.
The ECM and front motor generator control ECU send and receive signals via CAN communication (ML-bus).
The following ECUs are connected to the ML-bus.
- ECM
- Hybrid vehicle control ECU assembly
- TCM
- Front motor generator control ECU
- Rear motor generator control ECU
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | DTC Output from | Priority | Note |
|---|---|---|---|---|---|---|---|
| U117E-87 | Lost Communication with Drive Motor Control Module "A" (ch4) Missing Message | All of the following conditions are met for 1 second or more (1 trip detection logic).
|
|
Comes on | Engine | A |
|