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 EMS CAN signal error for 0.5 second.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Monitoring CAN messages. | 1. Faulty EMS System |
Enable conditions |
•
IG ON
•
Battery voltage is between 9.5V ~ 17V
•
No CAN Bus off
•
No CAN Time-out EMS DTC | |
Threshold value |
•
When the transmission information of the EMS is not equal to the transmission information(AT/MT) of the TCU within normal voltage condition. | |
Fail Safe |
•
Automatic release function inhibited |
