EXHIBIT 23.1 CONSENT OF INDEPENDENT AUDITOR Consent of Ernst & Young LLP, Independent Auditors We consent to the incorporation by reference in the Registration Statement (Form S-8 No. 33-93326) pertaining to the 1993 Stock Incentive Plan for Key Employees of JPE, Inc., as amended, of our report dated March 6, 2003 (except for Notes 1 and 6, as to which the date is April 30, 2003), with respect to the consolidated financial statements of JPE, Inc. (d/b/a ASCET Inc. and ASC Exterior Technologies) included in the Annual Report (Form 10-K) for period ended December 31, 2002. Ernst & Young, LLP Detroit, Michigan May 20, 2003 80