DTC Codes Explained A standard DTC list was created by the Society of Automotive Engineers (SAE). Cars and light trucks compliant with the OBD-II standard were produced from 1996, when this became ...

The hand-held Equus 3100 OBD-II code reader is versatile and easy to use. Just plug it into the diagnostic port, hit the link key, and wait for the codes to flow. The owner's manual has more than ...

To do so, you'll need to use a code reader. Find the OBD-II port in your car, usually under the driver's side dashboard, and connect the reader. It should be able to tell you the DTC created.

If your vehicle check engine light is illuminated, you can access the OBD-II port with a proper scanner and, odds are, it can give you a code that indicates where the issue is located.

Did your vehicle's Check Engine light just pop on? An OBD-II scanner can provide some direction. We tested 11 of them to find the best for different situations.

Did your vehicle's Check Engine light just pop on? An OBD-II scanner can provide some direction. We tested 11 of them to find the best for different situations.

But that system quickly proved inadequate, and CARB required a new, more complete controls check system, tagged OBD-II, for 1996 model year and newer cars, with diesels following suit in 1997. The ...