EPB ECU sets this DTC when there is problem with rear left actuator.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Monitoring motor rotating time and activation current | 1. No disc or pad 2. Wiring problem 3. Faulty Brake caliper assembled condition 4. Faulty actuator |
Enable conditions |
•
IG ON
•
Battery voltage between 8.5V and 17V
•
EPB apply or release | |
Threshold value |
•
If actuator runs for long time
•
If left motor current is much bigger than right motor current
•
Motor current decrease rapidly or runs for long time
•
Actuator runs for enough time but adequate clamping force was not achieved | |
Fail Safe |
•
Left actuator activation inhibited |
