Is that -03 code that is showing????...if so that is for reverse direction switch closed at start up....you have the serial number for the truck...??
Does the truck have a directional switch on the steer column or a monotrol pedal??........this a AC controoler motor or a DC controllere....the code 3 is same for both so first would check your reverse switch being closed when key switch is turned on or before seat switch is activated also...key and seat switches need to be activated first before directional....