Webmar 4, 2022 · how to remove and install freightliner cascadia doc outlet temperature sensor spn 3250. Webaug 17, 2016 · cause. The cause of the fault codes is due to an incorrect ambient air temperature sensor installed by the vehicle oem. Webfreightliner dealership has the qualified technicians and equipment to perform this maintenance for you. They can also set up a scheduled maintenance program tailored. Webfreightliner dealership has the qualified technicians and equipment to perform this maintenance for you. They can also set up a scheduled maintenance program tailored…