torque may be suddenly transmitted to the drivetrain possibly causing wheel slip according to the principles of the present disclosure a control system may reduce the commanded idle speed in order to reduce the amount of wheel slip referring now to fig2 a functional block diagram of an engine 102 an exhaust system 106 and a control system 202 is presented while the engine 102 will be described herein as a diesel engine the present disclosure also applies to other engine systems such as spark ignition engine systems the control system 202 includes a dpf control module 204 an engine control module 206 a transmission control module 208 and a stability control module 210 the dpf control module 204 may control the regeneration process in the dpf assembly 116 the dpf control module 204 may receive a reading of an outlet temperature of the dpf assembly 116 the dpf control module 204 communicates with the engine control module 206 the engine control module 206 outputs actuator values to the engine 102 to achieve a desired engine torque or engine speed for example the engine control module 206 may control the amount of turbocharger boost the positions of intake and exhaust cam phasers the amount of exhaust gas recirculation egr the amount of airflow and or the amount of fuel injected into cylinders of the engine 102 the engine control module 206 receives information about the currently selected gear from the transmission control module 208 in addition the engine control.