DTC C1249: Open Circuit in Stop Light Switch Circuit; DTC P0573: Brake Switch "A" Circuit High [10/2020 - 10/2023]: Description
The skid control ECU assembly receives the stop light switch assembly signal and detects the brake pedal operation status.
The skid control ECU assembly has an open detection circuit, which stores this DTC if it detects an open in the stop light input line or ground line of the stop light circuit with the stop light switch assembly off (brake pedal not depressed).
| DTC No. | Detection Item | INF Code | DTC Detection Condition | Trouble Area | MIL | Note |
|---|---|---|---|---|---|---|
| C1249 | Open Circuit in Stop Light Switch Circuit | 520 | When IG2 terminal voltage is 9.5 V or more, an open stop light switch circuit continues for 10 seconds or more. |
|
Comes on | INF Code 520: SAE Code P0572 |
| P0573 | Brake Switch "A" Circuit High | - | The stop light switch assembly is stuck 10 times or more. |
|
Comes on | - |