GAR | WP.29-175-07

Regulation:	UN Regulation No. 137 \| Restraint System in Frontal Impact
Document:	Revision 2
Corresponds to:	01 series of amendments \| Supplement 1 (Entered into force on 29 Dec 2018)
Corresponds to:	01 series of amendments \| Supplement 2 (Entered into force on 28 May 2019)
Corresponds to:	01 series of amendments \| Supplement 3 (Entered into force on 3 Jan 2021)
Corresponds to:	02 series of amendments (Entered into force on 9 Jun 2021)

Regulation:	UN Regulation No. 161 \| Devices for Protection against Unauthorized Use
Document:	Revision 0 \| Amendment 3
Corresponds to:	00 series of amendments \| Supplement 3 (Entered into force on 5 Jun 2023)
Based on:	Document WP.29/2022/146 Proposal from GRSG to clarify the scope of the UN Regulation and to complement the text with the missing Supplement 7 to the original version of UN R116.

Regulation:	UN Regulation No. 13 \| Heavy-Duty Vehicle Braking
Document:	Revision 9 \| Amendment 2
Corresponds to:	12 series of amendments \| Supplement 2 (Entered into force on 5 Jun 2023)
Based on:	Document WP.29/2022/138

Regulation:	UN Regulation No. 13 \| Heavy-Duty Vehicle Braking
Document:	Revision 8 \| Amendment 11
Corresponds to:	11 series of amendments \| Supplement 20 (Entered into force on 5 Jun 2023)
Based on:	Document WP.29/2022/137 Proposal to clarify provisions regarding the actuation of the parking brake warning device to cover the case of electric control transmission systems where there may be a transition between parked (applied) and un-parked (released) braking states.

PTI: Tampering of Air Emission Control Systems

Document WP.29-175-07

14 June 2018

175th WP.29 session (18-22 Jun 2018)

Presentation of PTI Informal Group interest in investigation tampering and fraud involving Exhaust Gas Recirculation (EGR), Diesel Particulate Filter (DPF), and Selective Catalytic Reduction (SCR) devices/systems.

Submitted by CITA and CITA

12th PTI session (15 Nov 2018)

175th WP.29 session (18-22 Jun 2018)

8.1. | Exchange of information on enforcement of issues on defects and non-compliance, including recall systems

106. The representative of CITA, on behalf of the IWG on PTI, presented the informal document WP.29-175-07 on possible methods to detect the tampering of Air Emission Control Systems (Exhaust Gas Recirculation (EGR), Diesel Particulate Filter (DPF) and Selective Catalytic Reduction (SCR) in the framework of PTI and Road Side Inspection (RSI). These methods included visual inspection, external measurement and diagnostic functions. He concluded his presentation, stating that simple measures could make tampering too expensive to economically justify avoiding maintenance.

107. The Chair of GRPE recalled that GRPE had an agenda item on this subject and invited the IWG to contribute to the work of GRPE on this matter.

Reference Number:	SCUNV-10
Meeting Session(s):	11th SCUNV session (26 Apr)
Document date:	26 Apr 24
Regarding:	Safe and Clean Vehicles

Reference Number:	SCUNV-09
Meeting Session(s):	11th SCUNV session (26 Apr)
Document date:	26 Apr 24
Regarding:	Safe and Clean Vehicles

Reference Number:	SCUNV-11-01/Rev.1
Meeting Session(s):	11th SCUNV session (26 Apr)
Document date:	26 Apr 24
Regarding:	Safe and Clean Vehicles

Reference Number:	TF-AVRS-14-01
Meeting Session(s):	14th TF-AVRS session (27 May)
Document date:	26 Apr 24
Regarding:	Regulation Screening for ADS

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