GRPE/2026/37
UN R154: Proposal for a Supplement to the original text, 01, 02, and 03 series of amendments
Source(s)
Date
27 Jul 2026
Status
Formal GR review
Subject
Impact
Original text | Supplement 3
03 series of amendments | Supplement 3
02 series of amendments | Supplement 3
01 series of amendments | Supplement 3
Meeting(s)

Proposal to amend Annex A1 para. 3.2.12.2.7.6.3. to clarify OBD output codes and format documentation requirements, insert new definitions for ‘confirmed fault code’, ‘cold start’, and ‘emission control components’ in para. 3.10.22. to 3.10.24., amend table titles for Tables 4A and 4B in para. 6.8.2. to clarify applicability levels and WLTP phases, amend Annex B5 para. 4.2.2.2. Table A5/1 analytical balance verification criteria, amend Annex C5 para. 3.3.3.5. and 3.3.4.(e) to clarify emission-related powertrain component monitoring requirements, amend para. 3.8.1. to specify fault code erasure conditions based on engine warm-up cycles or driving cycles, insert new para. 3.8.2. for pending fault code erasure, amend Appendix I para. 6.5.1. to clarify ‘if available’ signal usage, amend para. 6.5.3.1. to allow ISO 13400-2 and ISO 13400-4 standards as options from 1 January 2029 for non-pure electric vehicles, and amend para. 7.3.2. regarding denominator increments for temperature sensor and boost pressure control system monitors.

UNECE server
Excerpts from session reports
GRPE | Session 94 | 17-19 Mar

12. The co-Chairs of the TF-AVRS introduced ECE/TRANS/WP.29/GRPE/2026/6 to ECE/TRANS/WP.29/GRPE/2026/10 together with GRPE-94-30, GRPE-94-32, GRPE-94-33-Rev.2 and GRPE-94-37-Rev.2.

13. The representative of OICA introduced ECE/TRANS/WP.29/GRPE/2026/12, GRPE-94-17, GRPE-94-18-Rev.1, GRPE-94-19, GRPE-94-20, GRPE-94-22, GRPE-94-50, GRPE-94-51, GRPE-94-55, GRPE-94-56, GRPE-94-57-Rev.2, GRPE-94-58-Rev.1, GRPE-94-59, GRPE-94-63-Rev.1.

14. The representative of the EC introduced ECE/TRANS/WP.29/GRPE/2026/11, GRPE-94-24-Rev.1, GRPE-94-65, GRPE-94-66.

15. GRPE adopted ECE/TRANS/WP.29/GRPE/2026/6 and requested the secretariat to submit it to WP.29 and AC.1 for consideration and vote at their June 2026 sessions as draft new supplement to UN Regulation No. 68 (Measurement of the maximum speed, including electric vehicles).

16. GRPE adopted GRPE-94-18-Rev.1 and agreed to merge this proposal with the proposal to amend the 08 series of amendments to UN Regulation No. 83 adopted during the last session of GRPE (ECE/TRANS/WP.29/GRPE/93, para. 17 and Annex IV). GRPE requested the secretariat to submit the merged proposal to WP.29 and AC.1 for consideration and vote at their June 2026 sessions as draft new supplement to the 08 series of amendments to UN Regulation No. 83 (Emissions of M1 and N1 vehicles).

17. The Vice-Chair introduced GRPE-94-67, summarizing all proposed changes to the 09 series of amendments to UN Regulation No. 83. GRPE agreed to reconsider GRPE-94-17 and GRPE-94-19 to forthcoming sessions of GRPE. The representative of the EC clarified GRPE-94-65 compiled ECE/TRANS/WP.29/GRPE/2026/7, ECE/TRANS/WP.29/GRPE/2026/11, ECE/TRANS/WP.29/GRPE/2026/12, GPRE-94-24-Rev.1, GPRE-94-30, GRPE-94-51 into a single full consolidated version.

18. GRPE adopted GRPE-94-65 and requested the secretariat to submit it to WP.29 and AC.1 for consideration and vote at their June 2026 sessions as draft new supplement to the 09 series of amendments to UN Regulation No. 83 (Emissions of M1 and N1 vehicles).

19. Following discussions during the session, GRPE agreed to postpone the consideration of ECE/TRANS/WP.29/GRPE/2026/8, GRPE-94-32 and GRPE-94-63-Rev.1, allowing more time for scrutiny following the decision to expand the amendments to the original version, 01, 02 and 03 series of amendments to UN Regulation No. 154.

20. The representative of Japan introduced GRPE-94-64, summarizing all proposed changes to the 04 series of amendments to UN Regulation No. 154. The representative of the EC clarified GRPE-94-66 compiled ECE/TRANS/WP.29/GRPE/2026/9, ECE/TRANS/WP.29/GRPE/2026/13, GPRE-94-33-Rev.1, GRPE-94-55, GRPE-94-56, GRPE-94-57-Rev.2 and other modifications proposed during the session into a single full consolidated version.

21. GRPE adopted GRPE-94-66 and requested the secretariat to submit it to WP.29 and AC.1 for consideration and vote at their June 2026 sessions as draft new supplement to the 04 series of amendments to UN Regulation No. 154 (WLTP).

22. GRPE adopted ECE/TRANS/WP.29/GRPE/2026/10, complimented by GRPE-93-37-Rev.2 and GRPE-94-61-Rev.1, and requested the secretariat to submit them to WP.29 and AC.1 for consideration and vote at their June 2026 sessions as draft new supplement to UN Regulation No. 180 (OBM).