DTC P0571-13: Brake Switch "A" Circuit Open [09/2022 - ]: Description
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The skid control ECU (brake actuator assembly) receives stop light switch assembly signals and uses them to determine whether or not the brakes are applied.
The skid control ECU (brake actuator assembly) has a detection circuit that it uses to detect an open in the stop light input line.
If the skid control ECU (brake actuator assembly) detects an open in this circuit, it will store this DTC.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | DTC Output from | Note |
|---|---|---|---|---|---|---|
| P0571-13 | Brake Switch "A" Circuit Open | An open in the stop light switch assembly input line continues for 3 seconds or more. |
|
Does not come on | Brake/EPB | Output ECU: Skid control ECU (brake actuator assembly) |