An implantable control module (102; 502; 602; 702) for an implantable electrical stimulation system (100; 400) and configured and arranged to electrically couple to a lead (504; 604; 704), the control module (102; 502; 602; 702) comprising: a housing (114; 514; 614; 714) having an interior and an exterior, wherein at least a portion of the exterior is a metallic structure and at least a portion of the interior defines a sealed compartment; an electronic subassembly (110; 410) disposed in the sealed compartment in the interior of the housing (114; 514; 614; 714); a connector assembly (144; 544; 644; 744) coupled to the exterior of the housing (114; 514; 614; 714), the connector assembly (144; 544; 644; 744) defining a port configured and arranged for receiving the lead (504; 604; 704); a plurality of connector contacts (116; 316; 516; 616; 716) disposed in the port, the connector contacts (116; 316; 516; 616; 716) configured and arranged to electrically couple with terminals of the lead (504; 604; 704) when the lead (504; 604; 704) is operationally received by the port; a plurality of feedthrough interconnects extending from the connector assembly (144; 544; 644; 744) into the sealed compartment of the interior of the housing (114; 514; 614; 714), the plurality of feedthrough interconnects electrically coupling the plurality of connector contacts (116; 316; 516; 616; 716) to the electronic subassembly (110; 410); and a coil (560; 660; 760) disposed within or on the housing (114; 514; 614; 714) in order to resist generation of an eddy current in the metallic structure of the exterior of the sealed housing (114; 514; 614; 714) in response to the external electromagnetic field, wherein the control module (102; 502; 602; 702) further comprises a sensor disposed within the housing and the control module (102; 502; 602; 702) is configured and arranged to short the coil (560; 660; 760) upon detection, by the sensor, of an external electromagnetic field exceeding a threshold field strength, or wherein the control module (102; 502; 602; 702) is configured and arranged to short the coil (560; 660; 760) in response to a command signal transmitted by a user to the control module (102; 502; 602; 702). a housing (114; 514; 614; 714) having an interior and an exterior, wherein at least a portion of the exterior is a metallic structure and at least a portion of the interior defines a sealed compartment; an electronic subassembly (110; 410) disposed in the sealed compartment in the interior of the housing (114; 514; 614; 714); a connector assembly (144; 544; 644; 744) coupled to the exterior of the housing (114; 514; 614; 714), the connector assembly (144; 544; 644; 744) defining a port configured and arranged for receiving the lead (504; 604; 704); a plurality of connector contacts (116; 316; 516; 616; 716) disposed in the port, the connector contacts (116; 316; 516; 616; 716) configured and arranged to electrically couple with terminals of the lead (504; 604; 704) when the lead (504; 604; 704) is operationally received by the port; a plurality of feedthrough interconnects extending from the connector assembly (144; 544; 644; 744) into the sealed compartment of the interior of the housing (114; 514; 614; 714), the plurality of feedthrough interconnects electrically coupling the plurality of connector contacts (116; 316; 516; 616; 716) to the electronic subassembly (110; 410); and a coil (560; 660; 760) disposed within or on the housing (114; 514; 614; 714) in order to resist generation of an eddy current in the metallic structure of the exterior of the sealed housing (114; 514; 614; 714) in response to the external electromagnetic field, wherein the control module (102; 502; 602; 702) further comprises a sensor disposed within the housing and the control module (102; 502; 602; 702) is configured and arranged to short the coil (560; 660; 760) upon detection, by the sensor, of an external electromagnetic field exceeding a threshold field strength, or wherein the control module (102; 502; 602; 702) is configured and arranged to short the coil (560; 660; 760) in response to a command signal transmitted by a user to the control module (102; 502; 602; 702).