Tech replaced ECM blower motor/module and run tested system. System cycled through heat pump stages 1 & 2 and gas heat stages 1 & 2 (heat stages 3 & 4). System is operating correctly at this time. Per request, tech checked gas fittings for leaks due to gas odor around unit described by customer. No leaks found at this time. Tech collected $1,983.50 by check for replacing ECM blower motor/module.