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2021 v8 350CE Trouble code

I have a 2021 Regal express with a v8 350CE Today when cruising home from a weekend trip I got a check engine indication, pulled it up and it said: MID: 128 PSID 13 FMI: 5.
Has anyone seen this and can help me with the translation? Motor seems to run well, and it didnt even go into reduced power.. Within the last 3 months I had it in for warranty work for another set of codes, that they determined were the injectors.
Thanks!
 
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