GB/T 40430-2021: Road vehicles - Diagnostic communication over controller area network (DoCAN) - Dictionary

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Scope

This document specifies the general requirements, format structure, description
of diagnostic trouble codes, for the diagnostic communication symbol set of the
vehicle controller area network.
This document is applicable to the diagnostic trouble code (DTC) of the
diagnostic communication standard for road vehicle controller area network.
The on-board diagnostic system (OBD) needs to report the code, when a fault
is detected.
This document also applies to the decoding of enhanced diagnostic DTC.
Meanwhile it reserves bytes for specific purposes of vehicle manufacturers.
The format of diagnostic trouble codes in this document includes:
a) The set of standard diagnostic trouble codes AND the description
contained in SAE J2012-DA. The two most significant bytes of DTC can
be decoded, according to two different lists. The DTC format identifiers
0016 and 0416;
b) The description of the standard set of diagnostic fault code subtypes,
which is contained in SAE J2012-DA, is called the fault type (only
applicable to the use of three-byte DTC).

Basic Data

Standard ID	GB/T 40430-2021 (GB/T40430-2021)
Description (Translated English)	Road vehicles - Diagnostic communication over controller area network (DoCAN) - Dictionary
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	T36
Word Count Estimation	26,285
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration