ISO 15031-6:2015
Road vehicles — Communication between vehicle and external equipment for emissions-related diagnostics — Part 6: Diagnostic trouble code definitions
ISO 15031-6:2015 provides uniformity for standardized diagnostic trouble codes (DTC) that electrical/electronic On-Board Diagnostic (OBD) systems of motor vehicles are required to report when malfunctions are detected. It further provides guidance for uniform messages (text descriptor) associated with these codes.
ISO 15031-6:2015 specifies the rules and guidelines for the definition of the following: a) the diagnostic trouble code format, which consists of addressing format, structure and messages; b) a description of the standardized set of diagnostic trouble codes and descriptions contained in SAE J2012-DA. The two most significant bytes of a DTC may be decoded according to two different lists in two formats: DTC Format Identifier 0016 and 0416; and c) a description of the standardized set of diagnostic trouble codes subtypes known as failure types contained in SAE J2012-DA (applies only when 3-byte DTCs are used).
ISO 15031-6:2015 specifies all general rules and guidelines to define new diagnostic trouble codes. It references SAE J2012-DA (Digital Annex), which includes all standardized DTCs (number and text descriptor) as well as all diagnostic trouble codes subtypes known as failure types.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions, symbols, and abbreviated terms
3.1 Terms and definitions
3.2 Abbreviated terms
4 Conventions
5 Document overview
6 General specification
6.1 General code information
6.2 Sensor location definition
6.2.1 General
6.2.2 Definition of V6/V8/V12 cylinder engine with two exhaust banks and four catalysts
6.2.3 Definition of V6/V8/V12 cylinder engine with two exhaust banks and three catalysts
6.2.4 Definition of L4/L5/L6 cylinder engine with one exhaust bank and two catalysts
6.2.5 Definition of L4/L5/L6 cylinder engine with one exhaust bank and one catalyst
6.2.6 Definition of turbocharger/supercharger pressure sensor location draw-thru system
7 Format structure
7.1 Description
7.2 ISO/SAE controlled codes (core DTCs)
7.3 Manufacturer controlled codes (non-uniform DTCs)
7.4 Body system groupings
7.5 Chassis system groupings
7.6 Powertrain system groupings
7.7 Network and vehicle integration groupings
8 Diagnostic trouble code descriptions
8.1 Diagnostic trouble code application
8.2 Powertrain systems
8.3 Body systems
8.4 Chassis systems
8.5 Network and vehicle integration systems
Annex A (normative) Diagnostic trouble code naming guidelines
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions, symbols, and abbreviated terms
3.1 Terms and definitions
3.2 Abbreviated terms
4 Conventions
5 Document overview
6 General specification
6.1 General code information
6.2 Sensor location definition
6.2.1 General
6.2.2 Definition of V6/V8/V12 cylinder engine with two exhaust banks and four catalysts
6.2.3 Definition of V6/V8/V12 cylinder engine with two exhaust banks and three catalysts
6.2.4 Definition of L4/L5/L6 cylinder engine with one exhaust bank and two catalysts
6.2.5 Definition of L4/L5/L6 cylinder engine with one exhaust bank and one catalyst
6.2.6 Definition of turbocharger/supercharger pressure sensor location draw-thru system
7 Format structure
7.1 Description
7.2 ISO/SAE controlled codes (core DTCs)
7.3 Manufacturer controlled codes (non-uniform DTCs)
7.4 Body system groupings
7.5 Chassis system groupings
7.6 Powertrain system groupings
7.7 Network and vehicle integration groupings
8 Diagnostic trouble code descriptions
8.1 Diagnostic trouble code application
8.2 Powertrain systems
8.3 Body systems
8.4 Chassis systems
8.5 Network and vehicle integration systems
Annex A (normative) Diagnostic trouble code naming guidelines
Bibliography