EXHIBIT 23.1 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We hereby consent to the use in this Registration Statement on Form S-4 of Viasystems, Inc. of our reports dated March 26, 2004 relating to the financial statements and financial statement schedule of Viasystems, Inc., which appear in such Registration Statement. We also consent to the references to us under the heading "Experts" in such Registration Statement. /s/ PricewaterhouseCoopers LLP Fort Worth, Texas July 12, 2004