DTC C0040-13: Brake Pedal Switch "A" Circuit Open [11/2021 - ]: Description
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2025 Lexus NX 350, 2025 Lexus NX 250, 2024 Lexus NX 350, 2024 Lexus NX 250, and 2023 Lexus NX 350. However, it is still accessible from the selected car via links, so may be relevant.
The brake pedal load sensing switch (brake pedal support assembly) turns on when the brake pedal is depressed with a force exceeding a predetermined level.
The skid control ECU (brake actuator assembly) uses this circuit to detect if the brake pedal is depressed or not.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | DTC Output from | Priority |
|---|---|---|---|---|---|
| C0040-13 | Brake Pedal Switch "A" Circuit Open | An open or short in the brake pedal load sensing switch circuit continues for 0.5 seconds or more. |
|
Brake/EPB | B |