Crimestopper INT-SL+ Data Bus Interface Control Module Gm/Chrysler Interface Module Passlock/Passkey and Door Lock Interface For Class-2 Data 1998 - 2006 Gm Vehicles Performs Transponder Bypass and Door Lock Integration On J1850 Data 1998 - 2006 Chrysler Vehicles Works on 479 vehicles Automatically enables the heated-mirrors, heated-seats and rear-defrost if engine core temperature is below 0 degrees Celsius on select vehicles Stable from 4.5 to 25 volts, and to -40 degrees Celsius Compatible with all alarm and remote start models Consumes only 4 milli ampere at rest to prevent battery drain and functions at very low temperatures