NO YOU CAN NOT, Must have a engine scanner, Some parts stores will scan it for free.
A code reader that will work on the OBD I system.
To plug in a code reader for a 2003 Chevy Tracker, locate the OBD-II (On-Board Diagnostics) port, which is typically found under the dashboard, near the driver's side, just above the pedals. You may need to remove a small cover to access it. Once you find the port, simply connect the code reader to it, and you can begin diagnosing any issues with the vehicle.
Mine was a disconnected cable to the charcoal filter near the gas tank.
I've tried an OBD 11 code reader and while it seems to plug in correcting it still coannot communicate with scanner
There are pages and pages of things that can cause a check engine light. You need to have it checked with a scantool. Then the code can be diagnosed and repaired.
The access port is underneath the steering wheel, at the very and of the plastic protection. PS: Camry does not have a code reader, a code reader has to be purchased or you can use AutoZone free service to pull error codes out of the car computer.
it came with the Package with the reader digest.
you have to hook up a special reader to your computer to find out the code.
Trouble code P2135 means: Throttle Position Sensor 1-2 Correlation Error
With a code reader. Have your local auto parts store read the code(s). They provide this service for free.
Look under the driver side dash, near the front. You will see the plug there.
You will need a code reader. Your local auto parts store can sell you a simple one for $60 to $80. It will come with directions and a book of code definitions.