# Commission Implementing Regulation (EU) 2020/683 of 15 April 2020 implementing Regulation (EU) 2018/858 of the European Parliament and of the Council with regards to the administrative requirements for the approval and market surveillance of motor vehicles and their trailers, and of systems, components and separate technical units intended for such vehicles, Division 3.2.12.2.7.6.4.2: Heavy-duty vehicles

Extent: E+W+S+N.I.

Component
Fault code
Monitoring strategy
Fault detection criteria
MI activation criteria
Secondary parameters
preconditioning
Demonstration test
SCR Catalyst
Pxxx
NOx sensor 1 and sensor 2 signals
Difference between sensor 1 and sensor 2 signals-
3rd cycle
Engine speed, engine load, catalyst temperature, reagent activity
Three OBD test cycles (3 short ESC cycles)
OBD test cycle (short ESC cycle)

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Source: https://www.legislation.gov.uk/eur/2020/683/annex/I/division/2/division/3/division/3.2.12.2.7.6.4.2 (the official version)
Page: https://openlegislation.uk/eu-regulation-2020-683/annex-I/division-2/division-3/division-3.2.12.2.7.6.4.2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.