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Where is the 2019 Toyota Corolla OBD port location?
My girlfriend’s 2019 Toyota Corolla’s Check Engine Light just came on. She’s been really busy with school, so she hasn’t had a chance to get it looked at, but I think I can run the diagnostic myself. Where is the OBD port?
Melanie Johnson · Updated on
Reviewed by Shannon Martin, Licensed Insurance Agent.
What a kind gesture! Just proceed cautiously—the OBD port location in a 2019
Toyota Corolla
is on the driver’s side to the left of and underneath the steering wheel. Look for a little clip that you’ll need to pull down to access the port.All vehicles made from 1996 onward feature an Onboard Diagnostics II (OBD-II) port that monitors the emissions, engine, and transmission systems performance. This port will allow you to access the Toyota Corolla’s internal computer to run a diagnostic.
If you have an OBD-II scan tool, you can easily run a diagnostic on your vehicle. If you don’t have a scan tool, we suggest taking the Corolla to a Toyota dealership or a certified repair shop instead because the process for running a diagnostic without a scanner is complex.
To run a diagnostic with a scan tool, follow these steps:
- With the Corolla’s OBD port exposed, plug the scan tool directly into the 16-pronged port.
- Turn on the scan tool and crank the Corolla’s ignition to the On position—don’t fully turn the car on.
- Press “Scan” on the scan tool and follow the directions on the screen.
All scanners are a little different, so it’s crucial that you follow your model’s instructions precisely. If the diagnostic is a success, the scan tool will provide you with and help you
read a Diagnostic Trouble Code (DTC)
generated by the Corolla’s internal computer. Best of luck getting to the bottom of the issue!
View full answer
- Gregory R.
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