DTC P0571-62: Brake Switch "A" Signal Compare Failure [06/2018 - 01/2019]: Description
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When the brake pedal is depressed, the stop light switch assembly outputs a signal to the ECM. The ECM uses this signal to control cancellation of vehicle speed by the dynamic radar cruise control. When the ECM 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 | MIL | DTC Output from |
|---|---|---|---|---|---|
| P0571-62 | Brake Switch "A" Signal Compare Failure | When the engine switch is on (IG) and the dynamic radar cruise control system is operating, the ECM detects that the voltage at terminal STP and ST1- are both less than 1 V for approximately 0.5 seconds or more. |
|
Does not come on | ECM |