Realistically, If all you want is a code, then push the info up, and
on/off buttons at the same time. After the segment check then you can
read all the codes using info up/down and on/off to backtrack. There
you have it, simple. Then find somehow to decipher the code(s) and
make a meaningful diagnosis based on that information. Give the dealer
all this information, and maybe you will only be faced with a repair
cost. But, that will be from your diagnosis, and the repair based on
your diagnosis would be made at no guarantee.
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