Year:2019
Make:GMC
Model:Sierra 2500 HD Crew Cab
Mileage:N/A
Transmission:N/A
Engine:L5P
Trim:N/A
Factory New ECM, E41 from GM Ecm has no programming on this one.

it will need to be programmed for your L5P or sent off to be unlocked.

Call or text 850-819-8315