When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Like he said, there is a diagnostic scanner but there is no need for it. There is a procedure (see the FAQ) for using a wire or paper clip to jumper the TEN and GND terminals of the diagnostic box and counting out the flash codes on the CEL.