I have 2018 Subaru Outback
I have 2018 Subaru Outback started the car and every light on the dash came on looked like a Christmas tree lighting drove direct to my local Subaru dealer was told they cannot scan the ECM I must make appointment next week as long as the check engine light is not flashing . For which I did . Latter in the day they called cars finished . I was told open loupe that I must have filled the tank with the car running .or my gas cap was not tight . Few days latter the same problem back again to Subaru . Was told cannot fit me in to service for 2 weeks and I have no loaners sorry plus where short 4 techs they quit. I called another Subaru dealer was told come in tomorrow 8:00 Am . They scanned my Subaru infront of me came up again open loupe . I went with the tech should him gas car is tight. I opened the gas cap in front of the service Dept removed the gas cap I showed him the rubber gasket was ripped . That’s your open loupe. The first dealers tech was to lazy to look at the most easyest thing causing the code open loupe. But they collected labor and blamed the consumer. Paid for rental car . New gas cap was in dealers part in stock . In & out in 20 minutes. I am 100% sure there are lot more with the same problem there must be a factory training for this problem.. I retired from 48 years in the Automotive field. Took me to find my problem . Because of incompetence. Subaru must have a dealer TBS ?