Why does my power reduced light come on my Ford F-350

Question

Dashboard code reduced power light comes on when towing my travel trailer up hill can be reset when you turn the truck off and back on

Answer 1

Reduce power or the limp mode occurs when a fault with the engine management is catalytic damaging, Gather a code that is set this would help pinpoint the problem that is causing the reduce power, when you shut the engine off and cycle the key you are resetting the engine management system this temporarily set you back on the road until the fault is detected by the ECM