DIC Reset Tool.
Just plug it in and get rid of those messages.
Fits 2017, 2018, 2019 GM 6.6L Duramax L5P
Duramax L5P OBD2 Digital Instrument Cluster (DIC) Reset tool. Just plug it in and get rid of those codes. Use it over and over on multiple trucks. Works on re-calibrated ECM(s).