Is there a DIY way to get the check engine light code for a 2002 Hyundia Elantra?

 

You buy a code reader and plug it into the OBD-II port under the dash.

 

Or take it to an auto parts store that will read it for free. Most will.

 

But that wouldn't be a DIY (Do It Yourself). That would be a DIBAAPS (Do It By An Auto Parts Store).

 

Fair enough. If he has an Android phone I highly recommend the Torque Pro app in the Android market and a bluetooth ODB2 reader. The ELM327 bluetooth adapter is pretty cheap on eBay. Total cost of ownership would be right around $20 for a very nice and very capable OBD2 scanner. I've never done it but if you have a laptop with bluetooth you can use that with other software to connect to the ELM327. From what I understand there isn't any software that will connect to the ELM327 over bluetooth because Apple charges device makers a fee to be able to interface with iPhones over bluetooth.