So, my NOX sensor went bad and I was told that it was a recalled item:
https://www.reuters.com/article/us-cummins-recall-epa/cummins-to-recall-500000-u-s-trucks-over-faulty-emissions-part-idUKKBN1KL2E3
https://www.chrysler.com/universal/webselfservice/pdf/S87.pdf
The local dealer just...