Connect GDS to Data Link Connector(DLC).

Select "DTC" button, and then Press "DTC Status" to check DTC's information from the DTCs menu.

If DTC status is current condition, go to following procedure. And, if it is histroy DTC, erase it and check that MIL is ON again.

Erase DTC C1628.

Recheck EPB to see whether C1628 is still active. If so, diagnose Cluster related item and CAN line.