DTC P1578: Brake System Malfunction: Description
This DTC is output when the VSC system has a problem. Check the VSC system when this DTC is output.
DIAGNOSTIC TROUBLE CODE CHART
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| P1578 | The ECM receives a brake system error signal for 0.2 sec. or more while the dynamic radar cruise control is in operation | VSC system |
HINT:
This circuit uses CAN communication. Therefore, if there are any malfunctions in the communication circuit, one or more DTCs in the CAN communication system are output.
- CHECK BRAKE SYSTEM
Refer to HOW TO PROCEED WITH TROUBLESHOOTING .