The EPB is the acronym for Electric Parking Brake system. Instead of using pedal or lever, using switch can apply parking brake. Drive controls switch → switch signal to ECU → ECU activate actuator → parking brake Apply/Release. When EPB switch is pulled, parking brake gets Applied. When EPB switch is pushed down, parking brake is released.
The EPB ECU sets this DTC when there is Cluster CAN signal error for 0.5 second.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Monitoring CAN messages. | 1. Cluster system 2. IPM system 3. Open or short in ESP communication line |
Enable conditions |
•
IG ON
•
Battery voltage is between 9.5V ~ 17V
•
No CAN Bus off | |
Threshold value |
•
Cluster message(Ignition, ODO, Rear gear position signal, driver door/seat belt, hood, trunk signal, etc) is not received for 0.5 second | |
Fail-Safe |
•
Automatic release function inhibited |
