556L GM Transponder Kit

This new transponder interface works with
most GM Vehicles that works with the 555L
Plus, this new kit works with the new Ion,
Colorado and Canyon.

Bypass the OEM transponder anti-theft systems found on many new General Motors Pass-Key 1 and 2 Cars, Only bypasses factory anti-theft systems during remote starting, keeping the factory system intact at all other times. Simple six-wire connection for easy installation with auto-learning.