OBD Code Guide 2.3

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Publisher Description

OBD Code Guide

When an O2 sensor failure occurs, a DTC or diagnostic trouble code is recorded in the ECU and a check engine light appears on the vehicle’s dash. The DTC must be retrieved using a scanning tool. There are generic or standard OBDII codes along with enhanced or OEM specific codes. Below is a list of the more common OBDII codes, along with the possible cause or causes of the code

In other words, OBD is the language of the Engine Control Unit (ECU), and it was designed to help fight emissions and engine failures.

These codes are used to describe where an issue is occurring on the vehicle and are defined by SAE. These codes, can either be generic or unique to the vehicle manufacturer.

Saving the planet is great (shout out to you citizen scientists!), but what this also means is we can access other features of the car and collect information from and on those parts. Learning how to work with those protocols also means that you can determine what that Malfuction Indicator Light (MIL) (aka the Check Engine Light) on your dash is referring to when it tells you there’s an engine problem. If you or your mechanic has ever read the DTCs (Diagnostic Trouble Codes) on your vehicle, they are using OBD-II.

Unfortunately, the actual protocols themselves are not available publicly (if only they’d open source!), but we’ve attempted to collect and clarify as much as possible.

Get the description and the possible cause of the check engine code by searching for the code for all of the major manufacturers with OBD Code Guide and now with quick access to your search history and save results to for use at a later date.

Acura, Audi, BMW, Buick, Cadillac, Chevrolet, Chrysler, Dodge, Ford, GMC, Honda, Hummer, Hyundai, Infiniti, Isuzu, Jaguar, Jeep, KIA, Land Rover, Lexus, Lincoln, Mazda, Mercedes-Benz, Mercury, MINI, Mitsubishi, Nissan, Oldsmobile, Pontiac, Saab, Saturn, Scion, Subaru, Suzuki, Toyota, Volkswagen and Volvo all on the go.

OBD Code Guide is a free software application from the System Maintenance subcategory, part of the System Utilities category. The app is currently available in English and it was last updated on 2016-10-13. The program can be installed on Android.

OBD Code Guide (version 2.3) is available for download from our website. Just click the green Download button above to start. Until now the program was downloaded 5 times. We already checked that the download link to be safe, however for your own protection we recommend that you scan the downloaded software with your antivirus.

Program Details


Publisher Sampro
Released Date 2016-10-13
Languages English


Category System Utilities
Subcategory System Maintenance

System requirements

Operating systems android

Download information

File size
Total downloads 5


License model Free
Price N/A

Version History

Here you can find the changelog of OBD Code Guide since it was posted on our website on 2016-09-22. The latest version is 2.3 and it was updated on soft112.com on 2018-03-25. See below the changes in each version:

version 2.3

posted on 2016-10-13

version 2.2

posted on 2016-08-16

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Release Date: 2016-10-13
Publisher: Sampro
Operating System: android
Type: Free