DTC P0571-62: Brake Switch "A" Signal Compare Failure [01/2019 - 09/2022]: Description
WARNING: This page is about a different car, the 2022 Toyota Corolla, 2021 Toyota Corolla, and 2020 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.
When the brake pedal is depressed, the stop light switch assembly outputs a signal to the hybrid vehicle control ECU. The hybrid vehicle control ECU uses this signal to control cancellation of vehicle speed by the dynamic radar cruise control. When the hybrid vehicle control ECU determines that terminals STP and ST1 of the stop light switch assembly are both less than 1 V, DTC P0571-62 is stored.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | DTC Output from |
|---|---|---|---|---|
| P0571-62 | Brake Switch "A" Signal Compare Failure | When the power switch is on (IG) and the dynamic radar cruise control system is operating, the hybrid vehicle control ECU detects that the voltage at terminal STP and ST1- are both less than 1 V for approximately 0.5 seconds or more. |
|
Cruise Control |