Plugged in the Flashcal. Found 6 codes stored. All are for high voltage on my head lights and fog lights. 2 codes for low beams left and right. 2 codes for high beams left and right. 2 codes for left and right fog lights. Cleared the codes all have been changed to led. Also trying to find the sweet spot for the tire size. Tranny is lugging in drive. Have been using 4th and 3rd. 3.21 gearing auto. Tire are Pro Comp 305/65R17 Xtreme MT2.