Automotive
Technical Standard

J2012_202511 Diagnostic Trouble Code Definitions

Revised

11/21/2025

Features
Issuing Committee
Vehicle E E System Diagnostic Standards Committee
Scope
Content
This document supersedes SAE J2012 DEC2007, and is technically equivalent to ISO 15031-6:2010 with the exceptions described in 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. SAE J2012 may also be used for decoding of enhanced diagnostic DTCs and specifies the ranges reserved for vehicle manufacturer specific usage.
Meta Tags
Topics
On-board diagnostics (OBD)
Diagnostics
Documentation
Additional Details
Publisher
SAE International
Published
Nov 21
Product Code
J2012_202511
Content Type
Technical Standard
Status
Revised
Language
English

Revisions

J2012_202511
2025-11-21

Historical

J2012_201612
2016-12-13
J2012_201303
2013-03-07
J2012_200712
2007-12-10
J2012_200204
2002-04-30
J2012_199903
1999-03-01
J2012_199607
1996-07-01
J2012_199410
1994-10-01
J2012_199401
1993-01-01
J2012_199203
1992-03-01