| Document Title | UN R13: Proposal for Supplement 1 to the 14 series of amendments | ||||||||
| Reference Number | GRVA/2025/43 | ||||||||
| Date |
9 Jul 2025
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| Summary | Proposal to enable real-time reading of electrical transmission brake demand values via an OBD connector and scan tool during periodical technical inspections. | ||||||||
| Source(s) | CITA | ||||||||
| Rulemaking Area(s) | UN R13 Heavy-Duty Braking | ||||||||
| Regulatory Impact |
14 series of amendments | Supplement 3
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| Proposal Status | Formal GR review | ||||||||
| Meeting(s) | |||||||||
| Related Documents | |||||||||
| WP.29/2024/143 | UN R13: Proposal for a new 14 series of amendments | Adopted | supersede? | |||||||
| GRVA/2025/18 | UN R13: Proposal for amendments | Superseded | change status? | |||||||
| GRVA-19-17 | UN R13: Proposal for amendments on heavy-duty braking PTI | Superseded | change status? | |||||||
| GRVA-20-39 | PTI test of HDV brake systems: Reference Braking Forces Using Vehicle Interface | ||||||||
| GRVA-22-08 | UN R13 and 13-H: Proposal to amend GRVA/2025/18 and GRVA/2025/19 | Superseded | change status? | |||||||
| GRVA-22-34 | PTI provisions for Electromechanical Braking (EMB) | ||||||||
| GRVA-23-18/Rev.1 | UN R13 and 13-H: Proposal to amend documents GRVA/2025/43 and 44 | Formal GR review | supersede? | |||||||
| PTI-41-03 | Electrical Transmission Braking System (ETBS) | ||||||||
| Downloads | |||||||||
| UNECE server | .pdf format | .docx format | |||||||
| GAR server | .pdf format | .docx format | |||||||
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Approved, but FADS requested submission to WP.29 for its June 2026 session.
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