GAR | GRVA/2024/16

Proposal for amendments to UN R79 and UN R157

Document GRVA/2024/16

12 April 2024

19th GRVA session (20-24 May and 25 Jun)

Proposal to align UN R79 and UN R157 with UN R152 (AEBS for M1 and N1) regarding the conditions for automatic re-instatement of a system at the “initiation of each engine start / run cycle”.

Submitted by CLEPA and OICA

Status: Formal GR review

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Previous Documents, Discussions, and Outcomes

19th GRVA session (20-24 May and 25 Jun)

4. (g) | UN Regulation No. 157

6. (b) | UN Regulation No. 79 (Steering equipment)

Reference Number:	WP.29/2025/2
Meeting Session(s):	195th WP.29 session (3-7 Mar 2025)
Document date:	24 Dec 24
Document status:	Formal WP.29 review
Regarding:	Communications/Connectivity

Reference Number:	EVE-79-05
Meeting Session(s):	79th EVE session (17 Dec)
Document date:	23 Dec 24
Regarding:	GTR No. 21 EV Power Determination \| GTR No. 22 EV Battery Durability \| HD EV Battery Durability

Reference Number:	VIAQ-30-09
Meeting Session(s):	30th VIAQ session (11 Oct)
Document date:	23 Dec 24
Regarding:	MR 3: VIAQ

Reference Number:	WT-64-03
Meeting Session(s):	64th WT session (16 Dec)
Document date:	22 Dec 24
Regarding:	UN R117 Tire Noise, Wet Adhesion, and Rolling Resistance

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