DTC P1578: Brake System Malfunction [01/2019 - 09/2022]: Description
WARNING: This page is about a different car, the 2022 Toyota Corolla, 2021 Toyota Corolla, and 2020 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.
When a malfunction in the electronically controlled brake system is detected, DTC P1578 is stored.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | DTC Output from |
|---|---|---|---|---|
| P1578 | Brake System Malfunction | When the ignition switch is ON and the dynamic radar cruise control system is operating, a malfunction in the electronically controlled brake system is detected for 0.2 seconds or more. | Electronically controlled brake system | Cruise Control |