S.C. Code Ann. § 37-5-115

Except as otherwise set forth in this section, at any time after entry of a default judgment in favor of a creditor and against a consumer in an action arising from a consumer credit transaction, the court which rendered judgment, for cause including lack of jurisdiction to render the judgment, and upon motion of a party or its own motion, with notice as the court may direct, may stay enforcement of or relieve the consumer from the judgment by order upon just and equitable conditions; provided, however, that whenever the motion is based on the mistake, inadvertence, surprise or excusable neglect of the consumer, the motion must be filed within one year after the date the judgment is entered in the abstract of judgments pursuant to Section 15-35-520.