I'm not sure of the location and have not looked at your actual frig model. My answer should have stated may be controlled by a snap disc. In any case you can confirm by tracing the wires controlling the fan if we are talking about the fan outside in the chimney area of the frig for a snap disc.
Jake my sidekick (yellow Lab) 10/04 - 05/20
2017 RAM 2500 CC 4X4 Cummins Diesel
2016 Flagstaff 26 FKWS
AF&AM & El Korah Shrine of Idaho