J2012_202509: Diagnostic Trouble Code Definitions - Recommended Practice

Features

Issuing Committee: Vehicle E E System Diagnostic Standards Committee

Scope

Content: This document is intended to define the standardized Diagnostic Trouble Codes (DTCs) 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)

Details

DOI: https://doi.org/10.4271/J2012_202509

Pages: 20

Citation: SAE International Recommended Practice, Diagnostic Trouble Code Definitions, SAE Standard J2012_202509, Revised September 2025, Issued March 1992, https://doi.org/10.4271/J2012_202509.

Additional Details

Publisher: SAE International

Published: Sep 25

Product Code: J2012_202509

Content Type: Recommended Practice

Status: Revised

Language: English

J2012_202509

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