Dual Input Auxiliary Function Range Inhibit - I/O Function

Allison 1000, 2000, 3000 and 4000 series transmissions come with the ability to program a variety of Input and Output functions. These use the transmission’s control module, or TCM, to help you get the most out of your vehicle. Input and output functions are often referred to as I/O functions. In this video series, we are going to highlight a few of our most popular I/O functions. Today we are going to look at Dual input Auxiliary function range inhibit. Dual input auxiliary function range inhibit prevents shifts to range when equipment is in use and provides an added level of confidence by integrating two redundant signals for virtually any vocational vehicle component.