The 43rd session of the IWG on PTI convened on 8 May 2026 in Brussels. The group reaffirmed the need to strengthen integration between type approval and in-use inspection per WP.29 Whole-Life Compliance framework (WP.29/2023/89). At least 20 UN Regulations contain incomplete, non-harmonised PTI provisions. The IWG agreed to add “Review of PTI provisions in UN Regulations (1958 Agreement)” to its Action Plan and submit a proposal to WP.29 requesting endorsement. Work on diagnostic tools in PTI and automated vehicles inspection continues. The group reviewed recent amendments to UN Regulations Nos. 13 and 13-H for new braking technologies and identified challenges regarding LED replacement light source inspection.

The agenda includes:

• Coordination and organization of work,
• Pollution emission control in PTI covering PN measurement, NOx measurement, and Euro 7,
• Advanced Driver Assistance Systems and Automated Driving Systems using diagnostic devices for in-vehicle data access,
• Periodical technical inspections of automated vehicles,
• PTI provisions for brakes, lighting devices coordination approval and inspection,
• 1997 Agreement updates,
• Any other business including R.E.1 document from WP.1,
• Next meetings.

CITA presented PTI-42-02 to link the PTI informal group’s work to the approval of the EU Roadworthiness Package. FSD proposed work to introduce PTI provisions into UN Regulations under the 1958 Agreement. Japan, Russia, and FSD provided brief updates on the use of diagnostic devices to access to in-vehicle data. CITA updated the group on its views concerning PTI for ADS vehicles. CITA explained GRVA/2025/43, GRVA/2025/44, GRVA/2025/34, and GRVA-23-18/Rev.1 on Electromechanical Braking and Parking Lock Devices which will be considered by WP.29 in March.