DTC C13A9: Brake System Malfunction [11/2018 - 02/2019]: Description
WARNING: This page is about a different variant/trim than selected.
The parking brake ECU assembly receives the wheel speed information of each wheel from the skid control ECU (brake booster with master cylinder assembly) via CAN communication.
This DTC is stored when a malfunction occurs in the skid control ECU (brake booster with master cylinder assembly).
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Memory | Note |
|---|---|---|---|---|---|
| C13A9 | Brake System Malfunction | One of the following conditions is met:
|
|
Yes | An electric parking brake system malfunction is displayed on the multi-information display. |
DTC DETECTION CONDITION COMBINATION TABLE: C13A9
| Vehicle Condition | ||||
| Pattern 1 | Pattern 2 | Pattern 3 | ||
| Diagnosis Condition | Power switch on (IG) | ◦ | ◦ | - |
| When the parking brake is not operating while driving and the power switch is on (IG) | - | - | ◦ | |
| Malfunction Status | All speed sensor malfunction signals input from the skid control ECU (brake booster with master cylinder assembly) | ◦ | - | - |
| Brake system malfunction signal input from the skid control ECU (brake booster with master cylinder assembly) | - | ◦ | - | |
| An operating signal is input from the skid control ECU (brake booster with master cylinder assembly) when the parking brake ECU assembly is not outputting an operation request signal | - | - | ◦ | |
| Detection Time | Approximately 0.3 seconds | Approximately 0.3 seconds | Approximately 0.3 seconds | |
| Trip Count | 1 trip | 1 trip | 1 trip | |
HINT:
If the conditions match either of these patterns, a DTC will be output.