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Document Title UN R13: Proposal for supplement 1 to the 14 series of amendments
Reference Number GRVA/2025/43
Date
9 Jul 2025
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
Proposal Status Formal GR review
Meeting(s)
Related Documents
WP.29/2024/143 UN R13: Proposal for a new 14 series of amendments (adopted)
GRVA/2025/18 UN R13: Proposal for amendments (superseded)
GRVA-19-17 UN R13: Proposal for amendments on heavy-duty braking PTI (superseded)
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GRVA-22-08 UN R13 and 13-H: Proposal to amend GRVA/2025/18 and GRVA/2025/19 (superseded)
GRVA-22-34 PTI provisions for Electromechanical Braking (EMB)
Downloads
UNECE server .pdf format .docx format
GAR server .pdf format .docx format