Exhibit

We consent to the incorporation by reference in Registration Statement Nos. 333-63100, 333-63120, 333-102047, 333-132764, 333-160384, 333-165235, 333-186532, 333-201892 and 333-222843 on Form S-8 and Nos. 333-63142 and 333-216736 on Form S-3 of our reports dated November 26, 2018, relating to the consolidated financial statements of Rockwell Collins, Inc. and subsidiaries (the “Company”), and the effectiveness of the Company’s internal control over financial reporting, appearing in this Annual Report on Form 10-K of the Company for the year ended September 28, 2018.