DTC P0740-11: Torque Converter Clutch Circuit Short to Ground [11/2021 - ]: Description
WARNING: This page is about a different car, the 2025 Lexus NX 350, 2024 Lexus NX 350, 2023 Lexus NX 350, and 2022 Lexus NX 350. However, it is still accessible from the selected car via links, so may be relevant.
Solenoid (SL) valve is turned on and off by signals from the ECM to control the hydraulic pressure acting on the lock-up relay valve, which then controls operation of the lock-up clutch.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Memory | Note |
|---|---|---|---|---|---|---|
| P0740-11 | Torque Converter Clutch Circuit Short to Ground | While the vehicle is being driven so that lock-up is not requested, a short to ground is detected in the solenoid (SL) valve circuit (2-trip detection logic). |
|
Comes on | DTC stored | SAE Code: P2769 |
Fail-safe function:
If the ECM detects a malfunction, it turns Solenoid (SL) valve off.