DTC C1249/49 Open in Stop Light Switch Circuit: Description
The stop light switch signal is input to the skid control ECU and the skid control ECU detects the status of brake operation.
The skid control ECU has an open detection circuit.
If an open in the stop light switch input line or GND side stop light circuit is detected when the stop light switch is off, this DTC is stored.
DTC DETECTION CONDITION AND TROUBLE AREA
| DTC Code | DTC Detection Condition | Trouble Area |
|---|---|---|
| C1249/49 | The ECU terminal IG1 voltage is 9.5 to 17.0 V, ABS is not operating, and an open in the stop light switch circuit continues for 3 seconds or more. |
|