40 CFR § 85.2201 - Applicability.

---
identifier: "/us/cfr/t40/s85.2201"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 85.2201 - Applicability."
title_number: 40
title_name: "Protection of Environment"
section_number: "85.2201"
section_name: "Applicability."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "C"
subchapter_name: "AIR PROGRAMS"
part_number: "85"
part_name: "CONTROL OF AIR POLLUTION FROM MOBILE SOURCES"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "42 U.S.C. 7401-7671q."
cfr_part: "85"
---


# 85.2201 Applicability.

(a) This subpart describes the test provisions to be employed in conjunction with the Emissions Performance Warranty in subpart V of this part. These provisions generally rely on a vehicle's onboard diagnostic system (OBD) to indicate whether a vehicle passes or fails the test.

(b) The provisions of this subpart may be used to establish warranty eligibility for light-duty vehicles, light-duty trucks, and medium-duty passenger vehicles when tested during the useful life as prescribed in subpart V of this part.