Trying to use generic software or "universal" programmers will result in a communication error. You need the specific or CPS (Customer Programming Software) designed for the GM series.
that is compatible with your radio's firmware and your computer's operating system. The Essential Software: Motorola CPS The primary and official tool for this radio is the Professional Series CPS (often referenced by part numbers like ). This software allows you to: RadioReference.com Forums Modify Channels : Set frequencies, offsets, and channel spacing. Configure Buttons motorola gm160 programming software best