DTC C1A50: Brake System Malfunction [04/2018 - 08/2021]: Description
WARNING: This page is about a different car, the 2021 Toyota Avalon, 2020 Toyota Avalon, and 2019 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
When the pre-collision system is operating, the driving support ECU assembly sends brake control signals to the skid control ECU (brake booster with master cylinder assembly).
If the driving support ECU assembly receives an electronically controlled brake system malfunction signal from the skid control ECU (brake booster with master cylinder assembly) via CAN communication, DTC C1A50 will be stored.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| C1A50 | Brake System Malfunction | While the power switch is on (IG), the driving support ECU assembly receives an electronically controlled brake system malfunction signal from the skid control ECU (brake booster with master cylinder assembly) for 0.3 seconds or more. | Electronically controlled brake system |