aFe CONTROL Suspension Logic Electronic Shock Delete Module GM Gen 3, Small ConnectoraFe CONTROL Suspension Logic Electronic Shock Delete Modules are a simple plug and play module that eliminate the suspension check engine light allowing installation of aftermarket shocks or coilovers on vehicles previously equipped with GM MagneRideelectronic shock absorbers. A body control module check engine light will limit vehicle speeds to 80mph if not bypassed. These Modules are sold as a set of four.