Dtc P1578 Brake System Malfunction

Cruise Control System. Lexus Gs430, Gs300. Uzs190 Grs190
Cruise Control. Lexus Gs430, Gs300. Uzs190 Grs190

DESCRIPTION

INSPECTION PROCEDURE

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.

DTC No.
DTC Detection Condition
Trouble Area
P1578
ECM receives brake system error signal for 0.2 sec. or more while dynamic radar cruise control is in operation
Brake system

INSPECTION PROCEDURE

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.


1.CHECK BRAKE SYSTEM
    Refer to how to proceed with troubleshooting (Click here).