CEL came on tonight sitting at a stop light in town. Got home and did the on / off 3 times and left the key on... just the mileage steady unlike when I have gotten irrationality codes before, but did get the CEL to blink nine times. What is the difference in the codes showing on the odometer like the P205a which was seen before, vs what I have now with no code # , just the flashing CEL nine times? Thanks in advance.

 

You will need a code reader. Try INNOVA 3100 from Amazon. Com another member pointed me in this direction. I myself have had three codes that would not show in the last week. The dealer pulled them off for me and I am now getting the Turbo drilled and clean. See my other post on this site. Start with unplugging the EGR that will help a lot.