Hi everyone been a while since I posted been a members in the 90s but had to make a new profile anyway I’m having issues with my 2019 2.7 L turbo I have 20,000 miles on it the issue is when it’s below zero outside and you started in the mornings it goes into limp mode I’ve had it in the dealer several times they replace cam sensors cam actuators they even took the wiring harness out and inspected it apparently I’m the only one at this time that’s having this issue and they been working closely with the GM engineers now other people are starting to have problems got a phone call from my local dealership last week saying now that GM wants my motor so they’re gonna replace my motor with a new one and GM wants my motor to do some tests on it they’re going to stick it in the big freezer hook it up to some monitors and find out what the issue is and then when they figure it out they’re gonna put a service bulletin out my question is has anybody else had this problem needless to say when talking to my salesman I am going to be ordering a 3 L diesel here so in two weeks the truck goes in for a new motor we will see what happens thanks