Search Results

Standard

DIAGNOSTIC TROUBLE CODE DEFINITIONS

1992-03-01

HISTORICAL

J2012_199203

This SAE Recommended Practice is applicable to all light duty and medium duty passenger vehicles and trucks with feedback fuel control system. Specific applications of this document include diagnostic, service and repair manuals, repair data bases, and off-board readout devices. This document focuses on a diagnostic code format and code messages for automotive electronic control systems. The use and appropriate updating of this document is strongly encouraged; however, this document does not prohibit the use of additional codes for additional diagnostics.

Standard

Diagnostic Connector

2016-07-12

CURRENT

J1962_201607

This document supersedes SAE J1962 200204, and is technically equivalent to ISO/DIS 15031-3: December 14, 2001. This document is intended to satisfy the requirements of an OBD connector as required by U.S. On-Board Diagnostic (OBD) regulations. The diagnostic connection specified in this document consists of two mating connectors, the vehicle connector and the external test equipment connector. This document specifies: a The functional requirements for the vehicle connector. These functional requirements are separated into four principal areas: connector location/access, connector design, connector contact allocation, and electrical requirements for connector and related electrical circuits, b The functional requirements for the external test equipment connector. These functional requirements are separated into three principal areas: connector design, connector contact allocation, and electrical requirements for connector and related electrical circuits.

Standard

Diagnostic Connector Equivalent to ISO/DIS 15031-3:December 14, 2001

2002-04-30

HISTORICAL

J1962_200204

This document supersedes SAE J1962 FEB1998, and is technically equivalent to ISO/DIS 15031-3:December 14, 2001. This document is intended to satisfy the requirements of an OBD connector as required by U.S. On-Board Diagnostic (OBD) regulations. The diagnostic connection specified in this document consists of two mating connectors, the vehicle connector and the external test equipment connector. This document specifies: a The functional requirements for the vehicle connector. These functional requirements are separated into four principal areas: connector location/access, connector design, connector contact allocation, and electrical requirements for connector and related electrical circuits, b The functional requirements for the external test equipment connector. These functional requirements are separated into three principal areas: connector design, connector contact allocation, and electrical requirements for connector and related electrical circuits.

Standard

Diagnostic Trouble Code Definitions

2007-12-10

HISTORICAL

J2012_200712

This document supersedes SAE J2012 APR2002, and is technically equivalent to ISO 15031-6:2005 with the exceptions described in Section 1.2. This document is intended to define the standardized Diagnostic Trouble Codes (DTC) that On-Board Diagnostic (OBD) systems in vehicles are required to report when malfunctions are detected. This document includes: a Diagnostic Trouble Code format. b A standardized set of Diagnostic Trouble Codes and descriptions c A standardized set of Diagnostic Trouble Codes subtypes known as Failure Types

Standard

Diagnostic Trouble Code Definitions Equivalent to ISO/DIS 15031-6:April 30, 2002

2002-04-30

HISTORICAL

J2012_200204

This SAE Recommended Practice supersedes SAE J2012 MAR1999, and is technically equivalent to ISO/DIS 15031-6:April 30, 2002. This document is intended to define the standardized Diagnostic Trouble Codes (DTC) that On-Board Diagnostic (OBD) systems in vehicles are required to report when malfunctions are detected. This document includes: a Diagnostic Trouble Code format b A standardized set of Diagnostic Trouble Codes and descriptions

Standard

Digital Annex of Diagnostic Trouble Code Definitions and Failure Type Byte Definitions

2010-08-16

HISTORICAL

J2012DA_072010

The J2012 Digital Annex of Diagnostic Trouble Code Definitions Spreadsheet provides DTC information in an excel format for use in your organization's work processes. The column headings include the same information as contained in the J2012 standard. Information in the excel spreadsheet will be updated several times annually, and the spreadsheet includes a column heading denoting which DTC have been updated in the current version.

Standard

Digital Annex of Diagnostic Trouble Code Definitions and Failure Type Byte Definitions

2016-12-13

HISTORICAL

J2012DA_201612

The J2012 Digital Annex of Diagnostic Trouble Code Definitions Spreadsheet provides DTC information in an excel format for use in your organization's work processes. The column headings include the same information as contained in the J2012 standard. Information in the excel spreadsheet will be updated several times annually, and the spreadsheet includes a column heading denoting which DTC have been updated in the current version.

Standard

Digital Annex of Diagnostic Trouble Code Definitions and Failure Type Byte Definitions

2013-01-31

HISTORICAL

J2012DA_012013

The J2012 Digital Annex of Diagnostic Trouble Code Definitions Spreadsheet provides DTC information in an excel format for use in your organization's work processes. The column headings include the same information as contained in the J2012 standard. There is also a column heading denoting which DTC have been updated in the current version.

Standard

Digital Annex of Diagnostic Trouble Code Definitions and Failure Type Byte Definitions

2018-12-19

HISTORICAL

J2012DA_201812

The J2012 Digital Annex of Diagnostic Trouble Code Definitions Spreadsheet provides DTC information in an excel format for use in your organization's work processes. The column headings include the same information as contained in the J2012 standard. Information in the excel spreadsheet will be updated several times annually, and the spreadsheet includes a column heading denoting which DTC have been updated in the current version.

Standard

Digital Annex of Diagnostic Trouble Code Definitions and Failure Type Byte Definitions

2024-03-06

CURRENT

J2012DA_202403

The J2012 Digital Annex of Diagnostic Trouble Code Definitions Spreadsheet provides DTC information in an excel format for use in your organization's work processes. The column headings include the same information as contained in the J2012 standard. Information in the excel spreadsheet will be updated several times annually and the spreadsheet includes a column heading denoting which DTCs have been updated in the current version.

Standard

E/E DATA LINK SECURITY

1991-09-16

HISTORICAL

J2186_199109

This SAE Recommended Practice establishes a uniform practice for protecting vehicle modules from "unauthorized" intrusion through a vehicle diagnostic data communication link. The security system represents a recommendation for motor vehicle manufacturers and provides flexibility for them to tailor their system to their specific needs. The vehicle modules addressed are those that are capable of having solid-state memory contents altered external to the electronic module through a diagnostic data communication link. Improper memory content alteration could potentially damage the electronics or other vehicle modules; risk the vehicle compliance to government legislated requirements; or risk the vehicle manufacturer's security interests. This document is intended to meet the "tampering protection" provisions of California Air Resources Board OBD II regulations and does not imply that other security measures are not required nor possible.

Standard

E/E DIAGNOSTIC TEST MODES

1991-12-01

HISTORICAL

J1979_199112

This SAE Recommended Practice defines diagnostic test modes, and request and response messages, necessary to be supported by vehicle manufacturers and test tools to meet the requirements of the California OBD II regulations, which pertain to vehicle emission-related data only. These messages are intended to be used by any service tool capable of performing California OBD II mandated diagnostics. Diagnostic Test Modes included in this document are: For each test mode, this document includes: a Functional descriptions of test mode b Request and response message formats

Standard

E/E Data Link Security

2019-07-12

CURRENT

J2186_201907

This SAE Recommended Practice establishes a uniform practice for protecting vehicle components from "unauthorized" access through a vehicle data link connector (DLC). The document defines a security system for motor vehicle and tool manufacturers. It will provide flexibility to tailor systems to the security needs of the vehicle manufacturer. The vehicle modules addressed are those that are capable of having solid state memory contents accessed or altered through the data link connector. Improper memory content alteration could potentially damage the electronics or other vehicle modules; risk the vehicle compliance to government legislated requirements; or risk the vehicle manufacturer's security interests. This document does not imply that other security measures are not required nor possible.

Standard

E/E Data Link Security

2005-06-27

HISTORICAL

J2186_200506

This SAE Recommended Practice establishes a uniform practice for protecting vehicle components from "unauthorized" access through a vehicle data link connector (DLC). The document defines a security system for motor vehicle and tool manufacturers. It will provide flexibility to tailor systems to the security needs of the vehicle manufacturer. The vehicle modules addressed are those that are capable of having solid state memory contents accessed or altered through the data link connector. Improper memory content alteration could potentially damage the electronics or other vehicle modules; risk the vehicle compliance to government legislated requirements; or risk the vehicle manufacturer's security interests. This document does not imply that other security measures are not required nor possible.

Standard

E/E Diagnostic Test Modes

2007-05-30

HISTORICAL

J1979_200705

This document supersedes SAE J1979 Apr 2002, and is technically equivalent to ISO 15031-5:2006, with the addition of new capabilities required by revised regulations from the California Air Resources Board (see Section 1.2). This document is intended to satisfy the data reporting requirements of On-Board Diagnostic (OBD) regulations in the United States and Europe, and any other region that may adopt similar requirements in the future.

Standard

E/E Diagnostic Test Modes

2010-09-28

HISTORICAL

J1979_201009

This document supersedes SAE J1979 May 2007, and is technically equivalent to ISO 15031-5 2010, with the addition of new capabilities required by revised regulations from the California Air Resources Board and revised regulations from the European Commission. This document is intended to satisfy the data reporting requirements of On-Board Diagnostic (OBD) regulations in the United States and Europe, and any other region that may adopt similar requirements in the future.

Standard

E/E Diagnostic Test Modes — Equivalent to ISO/DIS 15031-5:April 30, 2002

2002-04-30

HISTORICAL

J1979_200204

This document supersedes SAE J1979 SEP1997, and is technically equivalent to ISO/DIS 15031-5:April 30, 2002. This SAE Recommended Practice is intended to satisfy the data reporting requirements of On-Board Diagnostic (OBD) regulations in the United States and Europe, and any other region that may adopt similar requirements in the future. This document specifies: a Message formats for request and response messages, b Timing requirements between request messages from external test equipment and response messages from vehicles, and between those messages and subsequent request messages, c Behavior of both the vehicle and external test equipment if data is not available, d A set of diagnostic services, with corresponding content of request and response messages, to satisfy OBD regulations, This document includes capabilities required to satisfy OBD requirements for multiple regions, model years, engine types, and vehicle types.

Standard

E/E Diagnostic Test Modes: OBDonUDS

2021-04-22

CURRENT

J1979-2_202104

SAE J1979-2 describes the communication between the vehicle's OBD systems and test equipment required by OBD regulations. On-Board Diagnostic (OBD) regulations require passenger cars and light-, medium-, and heavy-duty trucks to support a minimum set of diagnostic information to external (off-board) “generic” test equipment. To achieve this, SAE J1979-2 is based on the Open Systems Interconnection (OSI) Basic Reference Model in accordance with ISO/IEC 7498-1 and ISO/IEC 10731, which structures communication systems into seven layers.

Standard

EXPANDED DIAGNOSTIC PROTOCOL FOR OBD II SCAN TOOLS

1995-12-01

HISTORICAL

J2205_199512

This SAE Recommended Practice defines the Expanded Diagnostic Protocol (EDP), the requirements for the SAE J1978 OBD II Scan Tool for supporting the EDP protocol, and associated requirements for diagnosis and service information to be provided by motor vehicle manufacturers. Appendix A includes worked examples of the use of the protocol.

Standard

EXPANDED DIAGNOSTIC PROTOCOL FOR OBD II SCAN TOOLS

1994-06-01

HISTORICAL

J2205_199406

This SAE Recommended Practice defines the Expanded Diagnostic Protocol (EDP), the requirements for the SAE J1978 OBD II Scan Tool for supporting the EDP protocol, and associated requirements for diagnosis and service information to be provided by motor vehicle manufacturers. Appendix A includes worked examples of the use of the protocol.