DTC C13A1: Short Circuit in Power Source Circuit [10/2020 - 10/2023]: Description
C13A1 is stored if the power supply relay in the parking brake ECU assembly has a short circuit.
C13A1 is stored if the power switch is off and a voltage of 2.5 V or higher is applied to the IG terminal and an electric parking brake switch assembly malfunction or wire harness malfunction between the switch and ECU occurs.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Memory | Note |
|---|---|---|---|---|---|
| C13A1 | Short Circuit in Power Source Circuit |
|
|
Yes | An electric parking brake system malfunction is displayed on the multi-information display. |
DTC DETECTION CONDITION COMBINATION TABLE: C13A1
| Vehicle Condition | |||
| Pattern 1 | Pattern 2 | ||
| Diagnosis Condition | Electric parking brake switch assembly is operated to lock side with power switch off | ◦ | - |
| Power switch on (IG) | - | ◦ | |
| Malfunction Status | Short in parking brake ECU assembly internal power source relay | ◦ | ◦ |
| Detection Time | Approximately 60 seconds | Approximately 60 seconds | |
| Trip Count | 1 trip | 1 trip | |
HINT:
If the conditions match either of these patterns, a DTC will be output.