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Yeah, I saw 20M04 as well for my 2018 F350 on FordPass, just not sure what the failure is, as to my knowledge I've not experienced any locking failures.
Don’t see it on mine, just the FSA for the stabilizer
From what I have found, if you have issues with this, take it in. If not, they have extended the warranty for this part to 10y/150k miles. Granted, this info is just what others have posted elsewhere so check with your dealer for conformation.