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What year is your truck? There's a TSB out for the frozen door latches. I have a late 18 and never had them freeze on me, even with the -15 deg polar vortex temps we had here in MI
I have a late production 18 and my doors have froze multiple times. My fix was to pull the rubber plugs and use a hairdryer to blow in the large hole under the latch. There was a bunch of condensation that needs to be evaporated, I also sprayed a small amount of WD40 on the latch. So far so good.Had a little snow around the Seattle area last few days. Woke up this morning and all 4 locks are frozen, had to use the key to get in the drivers door. I’m amazed this is even an issue on a truck
Try my method before you waste your time at the dealer and they fail to assemble your door panels correctly and you have annoying rattlesIt’s a late 2018, taking it to the dealer tomorrow