In a consumer credit sale or a sale in which the goods or services are paid for in whole or in part by a lender credit card or a consumer loan in which the lender is subject to defenses arising from the sale under section 537.3405, a consumer has, in addition to all the rights and remedies provided by chapter 555A, a cause of action under section 537.5201, subsection 1, and the administrator has all powers granted under article 6, part 1, to enforce the provisions of chapter 555A.