http://www.legislation.gov.uk/eur/2017/1151/article/4Commission Regulation (EU) 2017/1151 of 1 June 2017 supplementing Regulation (EC) No 715/2007 of the European Parliament and of the Council on type-approval of motor vehicles with respect to emissions from light passenger and commercial vehicles (Euro 5 and Euro 6) and on access to vehicle repair and maintenance information, amending Directive 2007/46/EC of the European Parliament and of the Council, Commission Regulation (EC) No 692/2008 and Commission Regulation (EU) No 1230/2012 and repealing Commission Regulation (EC) No 692/2008 (Text with EEA relevance)Commission Regulation (EU) 2017/1151Commission Regulation (EU) 2017/1151 of 1 June 2017 supplementing Regulation (EC) No 715/2007 of the European Parliament and of the Council on type-approval of motor vehicles with respect to emissions from light passenger and commercial vehicles (Euro 5 and Euro 6) and on access to vehicle repair and maintenance information, amending Directive 2007/46/EC of the European Parliament and of the Council, Commission Regulation (EC) No 692/2008 and Commission Regulation (EU) No 1230/2012 and repealing Commission Regulation (EC) No 692/2008 (Text with EEA relevance)King's Printer of Acts of Parliamenthttps://webarchive.nationalarchives.gov.uk/eu-exit/https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:02017R1151-20200125texttext/xmlen2025-10-14Expert Participation2022-12-31 Requirements for type-approval regarding the OBD systemArticle 41The manufacturer shall ensure that all vehicles are equipped with an OBD system.2The OBD system shall be designed, constructed and installed on a vehicle so as to enable it to identify types of deterioration or malfunction over the entire life of the vehicle.3The OBD system shall comply with the requirements of this Regulation during normal conditions of use.4When tested with a defective component in accordance with Appendix 1 of Annex XI, the OBD system malfunction indicator shall be activated.The OBD system malfunction indicator may also activate during this test at levels of emissions below the OBD thresholds limits specified in section 2.3 of Annex XI.5The manufacturer shall ensure that the OBD system complies with the requirements for in-use performance set out in section 3 of Appendix 1 to Annex XI of this Regulation under all reasonably foreseeable driving conditions.6In-use performance related data to be stored and reported by a vehicle's OBD system according to the provisions of Section 7.6 of Appendix 1 to Annex XI of UN/ECE Regulation No 83 shall be made readily available by the manufacturer to the approval authority and independent operators without any encryption.Words in Art. 4(6) substituted (31.12.2022 at 11.00 p.m.) by The Road Vehicles and Non-Road Mobile Machinery (Type-Approval) (Amendment and Transitional Provisions) (EU Exit) Regulations 2022 (S.I. 2022/1273), regs. 1(2), 80(4)