Quote:
Originally Posted by
SuperTom 
from that page
"Code P2270 is an indication that the O2 sensor does not detect the catalyst efficiency and can cause the vehicle to fail an emission test."
I cleared it for now I will see if it pops back up again
Quote:
Originally Posted by Jasonb
P0420 is the typical cat efficiency code. That's the one that is normally disabled in a tune.
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Just to follow up switching from the v4.01 to v4.02 the code no longer pops up. So something was tweaked in the tunes. I couldn't find v4.03 for K00C on their site im guessing that revision is for the AT guys.