Well they will likely scan OBD2 generic codes... however their functionalty
is limited in the realm of scan tools. These tools rarely read proprietary
codes such as those stored in the GEM, HEC, TCM and so on.

http://www.troublecodes.net/technical/scaninfo.shtml might be worth a read.


> wrote in message
ups.com...
> Has anyone purchased one of those "Code" readers fron AutoZone for
> 29.95? I was wondering if they work.
>