DTC P1578 Brake System Malfunction: Description
WARNING: This page is about a different car, the 2007 Lexus ES 350. However, it is still accessible from the selected car via links, so may be relevant.
This DTC is output when the VSC system has a problem. Check the VSC system when this DTC is output.
DTC TROUBLE DETECTION CONDITION
| 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 |