hi, i'm new to this site and would appreciate any info you can give me on a ( check transmission p0826 fault ). i have an 2008 gs se5 with 8000 miles. the code popped up after a trip to the dealer for a rear tire install, and driving in a good downpour. it is not on all the time and seems to occur in the down shifting. all the fuses and relays seem good and seated properly. any help is greatly appreciated. ps, the :ani29: handled very good in the rain at 55 mph. thanx in advance for the help.