On-Board Diagnostic (OBD) engine codes are, one way your vehicle communicates with a you.

Engine Codes, also know as Diagnostic Trouble Code (DTC), are codes used to diagnose malfunctions in a vehicle.

So, every car built since 1996, has an (OBD) computer system, that monitors and identifies issues. In particular, it looks for issues that may result in, harmful and polluting emissions, from exhaust gases.

Engine Codes - Are The Way, On-Board Diagnostics Talks To You
Engine Codes – Are The Way, On-Board Diagnostics Talks To You

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OBD-I – First Generation – On-Board Diagnostics Codes

OBD-II – Second Generation – On-Board Diagnostics Codes

Dash Warning Lights Only Provide A Warning, Something Is Wrong

Check Engine Light (CEL) – What Can Cause It To Come On

OBD Engine Codes And Warning Lights, Are Only A Messenger

Reduced Engine Power Warning Light – What To Do And Why?


BY DANNY BENDER