Exhibit 23.3 CONSENT OF INDEPENDENT AUDITORS We consent to the incorporation by reference in the Registration Statement (Form S-8 No. 333-03901) pertaining to the PNC Retirement Savings Plan and in the related Prospectus of our report dated December 2, 1998 with respect to the financial statements and schedules of the PNC Retirement Savings Plan, all of which are included in this Annual Report on Form 10-K/A (Amendment No. 2) for the year ended December 31, 1997. /s/ ERNST & YOUNG LLP Pittsburgh, Pennsylvania December 21, 1998 25