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my husband and I bought a 2018 chevy trax and this is our second winter with it and it does not like the cold. Everytime he takes it on the hwy to go to work the engine light comes on and we have to put it in the shop. Our mechanic has told us it is the turbo that keeps freezing up and the last time we had it in they have informed us that GM knows about the issue but has no solution. They have told us that the car can be only driven around town and he is to use my car to go on the hwy. I do believe they are waiting til the warrenty is up so that we will have to pay.
 

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Makes no sense, how can the turbo freeze, it's inside the exhaust manifold. In my opinion they placed the boost sensor too close to the intercooler at the bottom. It should be up top same as the Cruze. You never hear of a Cruze with this problem and they have the same engine.
 

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my husband and I bought a 2018 chevy trax and this is our second winter with it and it does not like the cold. Everytime he takes it on the hwy to go to work the engine light comes on and we have to put it in the shop. Our mechanic has told us it is the turbo that keeps freezing up and the last time we had it in they have informed us that GM knows about the issue but has no solution. They have told us that the car can be only driven around town and he is to use my car to go on the hwy. I do believe they are waiting til the warrenty is up so that we will have to pay.
I have found that warming up my 2017 for 15 minutes helps. This morning I only warmed it up for only 10 minutes and had the P0299 code. I stopped and let it warm up more, and didn't have any more problems.
 

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I think it's an issue of condensation building as the engine cools and freezing on the boost sensor. Because it's on the "Cold side" of the turbo it takes a bit longer to thaw out than it normally would. If it could be relocated to the Cruze position I think it would practically eliminate the problem because the moisture would mostly fall down before it freezes up.

Sent from my moto g power (2021) using Tapatalk
 

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my husband and I bought a 2018 chevy trax and this is our second winter with it and it does not like the cold. Everytime he takes it on the hwy to go to work the engine light comes on and we have to put it in the shop. Our mechanic has told us it is the turbo that keeps freezing up and the last time we had it in they have informed us that GM knows about the issue but has no solution. They have told us that the car can be only driven around town and he is to use my car to go on the hwy. I do believe they are waiting til the warrenty is up so that we will have to pay.
 

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I just received a letter from the dealership where I bought my 2018 Trax and it appears there is a problem with the evaporative emissions purge valve not fully closing. The symptoms include check engine light illuminating, rough running engine, hesitate or stall at idle
 

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If that's what the dealer told you they're lying, the turbo itself cannot freeze, things around it maybe like moisture being blown out of the intercooler onto the boost and (AIT) air intake temperature sensor and freezing on there. PCV hose between valve cover and intake may also freeze up but a turbo that runs @ 900°C will not freeze.
 
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Sorry, the letter I received was not from the dealership as I thought.
It was from the headquarters of GM from Detroit.
I assumed it was from the dealership because that's what the post Mark stated, but the letter was originally sent from Detroit
 

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I have found that warming up my 2017 for 15 minutes helps. This morning I only warmed it up for only 10 minutes and had the P0299 code. I stopped and let it warm up more, and didn't have any more problems.
Well sorry to hear. I am having this issue….I have the same code and same issues with power. The only difference is that I’m in Vegas so there’s no freezing up here as well as no need to “warm it up”. Same boat I have no idea what to do.
 

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We bought our Trax new in 2019, and we had it a few weeks around Christmas that year, ours started acting up, ( the engine light stayed on best I recall ), we just didn't allow it to run long enough for the engine to warm up, this caused a thing to go bad ( don't recall what it's called ), but they replaced it free of charge........the guy there told me the engine needs to run a few minutes to warm up, in which we do that now and haven't had anyother issues out of it.....it now has 115000 some miles on it...
 
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