The way to Go through Check Engine Codes

Check engine codes, or diagnostic difficulty, supply specifics on malfunctions inside the vehicle's drive-train management program. The on-board computer system runs regular exams over the varied sensors during the procedure, and if any of people sensors send back information and facts that doesn't correlate with all the factory specs for that distinct sensor, the pc generates a code. The moment the computer system merchants a code, it turns for the test engine light to alert the driver of the malfunction. Other people Are Reading How to get Test Engine Light Codes Easy methods to Read OBD2 Codes Things You will need Scan instrument Pen Paper Display Way more Instructions 1

Remove the dust cover from your diagnostic port underneath the driver's side of your dashboard. The cover is commonly black, with letters or possibly a word indicating what it is actually, embossed about the encounter. Appear for "DTC" or "Diagnostic" or some variation, depending on the year, make and model of your vehicle.

2

Plug the datalink cable from your scan device into the diagnostic port. Refer to the scan tool's specific instructions on running a self test for the program. While this will vary depending on the brand and model in the scan device, the scan tool's display screen usually prompts you on the way to proceed.

3

Write down the codes for reference during the diagnostic procedures. When prompted to clear/erase the codes, select "no" and complete the self test.

4

Disconnect the datalink cable through the diagnostic port and put the cover back over the port.