The scanner can erase codes but if there is a problem the codes will immediately come back. So the answer is no.
If your vehicle is 1995 or later, you will need a scanner tool to pull the trouble codes. AutoZone and similar auto parts stores offer free scans. If your vehicle is 1994 or older, you can manually pull the trouble codes. Check out a repair manual (Hayne's or Chilton's) at your local library - chapter 6 has all the details on how to do it; also what each code means and how to trouble shoot.
The OBD II scanner is an on-board diagnostic tool. It is a device that can read trouble codes when connected to a vehicle's computer. The OBD II scanner will only work on automobiles manufactured in 1996 and later.
You need an OBDII scanner to retrieve the trouble codes.
If your vehicle is 1995 or later, you must use an OBDII scanner to retrieve the trouble codes. Fortunately, there are auto parts stores that will scan free of charge. If your vehicle is pre-1995, you can try your local public library to see if there is a repair manual (Haynes or Chilton) for your vehicle available for checkout. In the manual you will find full instructions on how to retrieve the codes without a scanner and what each code means.
If you can not read codes with a scanner you have a wiring problem.
You need OBD2 reader or scanner to get the codes
It's a NexIQ scanner with Snap-On case.. yes, it'll read and display DTCs.
Go to any auto parts store (O'Reilly, Auto Zone, NAPA, Advance, etc.). Most of them have an OBDII scanner and will diagnose fault codes on your vehicle free of charge.
You need an OBDII scanner tool to retrieve the trouble codes. AutoZone and similar auto parts stores offer free scans.
Are you asking how to clear engine trouble codes? You'll need a code scanner with a reset/erase feature.
You can't manually get the check engine light to give you the trouble codes on your vehicle. 1995 and later vehicles use the OBDII system and you must use a scanner tool to retrieve the codes. You can go to AutoZone or similar auto parts store that offers free scans to get the trouble codes retrieved. Or you can buy your own scan tool for about $70.
If you are refering to trouble codes you have to use a code scanner or a scann tool. Check with Kragen for a free test.