Dealer ECM update flashes have turned off the turn the key 3 times to read codes feature on the trucks. I think they started with the 6.7 and maybe since '06-early '07's are very similar electronics wise maybe it applies to them as well. My '05 still does it, but I think I do need to get an ECM update to try and possibly get rid of the lope I have that drives me crazy!
It displayed them before, but I just installed my EFI live today and had them turned off cause the Fan clutch code p0480 was confusing me, its been on forever but fan clutch works fine.
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