NORMSERVIS s.r.o.

SAE J3349

NOx Tracking Parameter Accuracy

STANDARD published on 1.7.2026

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The information about the standard:

Designation standards: SAE J3349
Publication date standards: 1.7.2026
Country: American technical standard
Category: Technical standards SAE

Annotation of standard text SAE J3349 :


This SAE Information Report provides SAE’s recommendations for meeting the requirements for Real Emissions Assessment Logging (REAL) oxides of nitrogen (NOx) accuracy demonstration and for the implementation of REAL NOx binning requirements as defined in onboard diagnostics (OBD) regulations 13 CCR 1971.1 and 13 CCR 1968.2.

SUBFILE: Aerospace
TYPE OF DOCUMENT: Ground Vehicle Standard