GRPE/2026/36
UN R83: Proposal for Supplements to the 05, 06, 07, 08 and 09 series of amendments
Downloads
UNECE server
Related documents
Proposal to amend para. 3.2.12.2.7.6.3. of Annex 1 to clarify documentation requirements for OBD output codes and data, insert new definitions in Annex 11 for limp-home routines, pending fault code, readiness, confirmed fault code, cold start, and emission control components, amend paras. 3.3.3.5. and 3.3.4.5. to clarify monitoring requirements for emission-related powertrain components, amend para. 3.8.1. to modify fault code erasure criteria, insert new para. 3.8.2. for pending fault code erasure, amend para. 6.5.1. of Appendix I to clarify the meaning of “if available”, amend para. 6.5.3.1. to allow DoIP standards for Pure Electric vehicles from 1 January 2029, amend para. 6.5.3.3.1. to permit SAE J1979-2 and J1979-3 standards, insert new para. 6.5.3.3.2. for DoIP standards, amend para. 7.3.2. to specify when monitor denominators shall be incremented for temperature sensors and boost pressure control systems, and amend para. 1.(e) of Annex 12 to clarify requirements for user-visible active error entries.
On-Board Diagnostics: A system on board a vehicle that detects, records, and communicates malfunctions, historically emissions-related but can be related to other systems.