Check Engine Light On? Find Out Why at BestRide’s Trouble Code Library

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Your Check Engine light can come on for literally thousands of reasons. BestRide helps you diagnose why it’s on with a new searchable library of Trouble Codes for OBD-II equipped vehicles.

Since 1996, every vehicle sold in North America has been equipped with a common On Board Diagnostics system known as OBD-II.

OBD-II represented the evolution of onboard diagnostic systems which began appearing on cars in the late 1980s, as a means of providing reliable emissions control systems.

The OBD-II standard provided requirements for manufacturers, including a standardized list of vehicle parameters to monitor, how to code each one, and a standardized, 16-pin diagnostic connector for attaching a scan tool.

OBD PortScan tools are available for less than $15 today, and the codes they provide can help you diagnose problems with your car as they arise. Scan tools provide a code, but don’t typically explain what that code means in plain English.

We undertook a project at BestRide to research the codes, and provide detail on the symptoms, the causes and the possible solutions.

Check Engine

The database is easy to use: Simply type in the code and you’ll be taken to that entry. You can also browse the entire list of codes. It’s a free tool you can use as often as you like.

At launch, we’ve provided information on all “P” or powertrain codes, which make up the bulk of trouble codes. In the coming months, we’ll be updating the database with “B” body codes, “C” chassis codes and “U” network codes.

You might be a do-it-yourselfer who can rectify the problems yourself, or you might just want to be able to speak knowledgeably with a technician when you bring your car in for service.

For more information, visit the Engine Trouble Codes section of BestRide.