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NO RETURNS - Due to excessive abuse by customers returning this item after use, we no longer accept returns of SGW bypass orders.

Chrysler has introduced a Security Gateway Module (SGW/SGM), which blocks aftermarket programming from writing to your ECU.  This bypass allows ECRI to calibrate your vehicle.  Once programming is finished, you may remove this module and plug the factory module in as before, allowing this module to be reused on multiple vehicles.