Is it an under boost code you are getting? Usually this throws the vehicle into limp mode.I also have a 2018, it’s a 1.5 turbo. I bought it in 2019 with 25k miles and it’s about to roll over 270k!
Factory front brakes
Replaced rear brakes, alternator, battery and tires of course. Regular oil changes
For the last 6 months the check engine light comes on indicating the turbo needs to be replaced.
It’s been a great vehicle, my husband is about to replace the turbo and his goal is to see 320k miles on it!