Download: WP.29/1154/Rev.1 from UNECE: .pdf format .docx format
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14.4. Proposal for Amendment 1 to UN GTR No. 18 (On-Board Diagnostic (OBD) systems for L-category vehicles)

Proposal WP.29/2020/129 to introduce OBD2 provisions for two and three wheeled vehicles.

WP.29/2020/129 | GTR 18: Proposal for Amendment 1
WP.29/2020/130 | GTR 18: Technical Report on the development of Amendment 1
WP.29/2020/129 | GTR 18: Proposal for Amendment 1
WP.29/2020/129 | GTR 18: Proposal for Amendment 1