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 ...

Rev interfaces with a WiFi OBD-II dongle. If your check engine light is on or flashing, REV is able to check the engine code, list all of the engine codes stored in the vehicle, and reset the ...

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.

The Autel AL319 OBD-II scanner was slow to boot up, slow to read codes, and difficult to navigate. Thanks to a single directional button, churning through the menus takes some practice (and patience).

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.