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.
Diagnostic Trouble Code format. A standardized set of Diagnostic Trouble Codes and descriptions
a. Differences from ISO Document
b. There are no technical differences between this document and ISO/DIS 15031-6:April 30, 2002.