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Documents 2021 288 documents

1 Feb 2021 UN R141: Revised proposal for the 01 series of amendments WP.29/2021/10/Rev.1

17 Feb 2021 Draft agenda for the 13th TMPSTI task force session (UN R141) TPMSTI-13-01/Rev.2

17 Feb 2021 Draft agenda for the 18th Worn Tyres working group session WT-18-01

19 Feb 2021 Agenda for the 35th IWVTA informal group session IWVTA-35-02

19 Feb 2021 UN R0: Annex 4 update under the 04 series of amendments IWVTA-35-04

19 Feb 2021 Draft agenda for the 9th TFMU task force session TFMU-09-01

19 Feb 2021 Noise measurement uncertainties: Draft heavy commercial vehicle calculation sheet TFMU-08-04

21 Feb 2021 Temperature effects on tyre/road noise– presentations from the STEER project TFMU-09-02

22 Feb 2021 Worn tyres: Draft buffing procedure evaluation sheet WT-18-04

22 Feb 2021 Worn tyres: C2 and C3 considerations WT-18-02

23 Feb 2021 Draft report of the 8th TFMU informal group session TFMU-08-05

24 Feb 2021 UN R141: TMPS, TPRS, and CTIS comparison TPMSTI-13-03

1 Mar 2021 Draft report of the 13th TPMSTI task force session TPMSTI-13-04

1 Mar 2021 IWVTA ambassador feedback from GRPE IWVTA-35-03

1 Mar 2021 Answers to questionnaire for participants of the 35th IWVTA IWG meeting IWVTA-35-05

2 Mar 2021 Worn Tyres working group work plan status WT-18-03

2 Mar 2021 Final minutes of the 17th Worn Tyres working group session WT-17-08/Rev.1

2 Mar 2021 Attendance list from the 18th Worn Tyres working group session WT-18-05

2 Mar 2021 Minutes of the 18th Worn Tyres working group session WT-18-06/Rev.1

5 Mar 2021 UN R117: Proposal to amend document WP.29/2021/8 WP.29-183-06

22 Mar 2021 Worn tyres: Concept for C2 and C3 tyres WT-19-02

22 Mar 2021 Agenda for the 19th Worn Tyres working group session WT-19-01/Rev.1

23 Mar 2021 Attendance list from the 19th Worn Tyres working group session WT-19-05

23 Mar 2021 Worn tyres: Wet grip test issue WT-19-04

23 Mar 2021 Effect of Tyre Mean Texture Depth on µ peak and Average Deceleration WT-17-05/Rev.1

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UN R141: Revised proposal for the 01 series of amendments
Reference Number: WP.29/2021/10/Rev.1
Text prepared by the experts of TF TPMSTI in order to align with the provisions of European Union Regulation 2019/2144 and to introduce the TPMS requirements for all vehicle categories, including trailers. The proposal addresses the communication interface protocol of TPMS between towing and towed vehicles of categories N2, N3 and O3, O4, respectively (described in Annex 5 on the basis of the ISO bus requirements) in alignment with UN R13 and ISO updates. The proposal further corrects and clarifies provisions across TPMS, TPRS and CTIS.
Meeting Sessions: 183rd WP.29 session (9-11 Mar 2021)
Document date: 01 Feb 21
Document status: Depositary Notification
Relevant to: UN Regulation No. 141 \| Tyre Pressure Monitoring Systems
Adoption Vote
This proposal (WP.29/2021/10/Rev.1) was adopted by the World Forum. Thirty-nine Contracting Parties out of the 56 applying UN R141 were present for the vote by AC.1. Thirty-seven voted in favor with zero against and two abstaining.
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