**Press and hold the "Vehicle Settings Switch" and the "Hitch Lower Limit Set Switch" simultaneously while turning key switch to RUN position (engine off). A menu listing of the control units will appear on the CommandCenter display.
**Turn "Command Dial" to highlight "ALL" in the menu.
**Press "Select Switch". Entire display will read "ALL".
**Turn "Command Dial" to scroll through list of control units. Control units with active or stored codes will display the word "Code" and the "Next" icon (triangle pointing right). Control units with no active or stored codes will display the word "None".
**Press "Select Switch" to display first code of desired control unit. Display shows the diagnostic trouble code number and the "Back" icon (u-turn arrow).
**If a control unit has more than one code, turn "Command Dial" to scroll through list.
**Press "Select Switch" when" Clr?" and the "Next" icon appear on display to clear code(s) for that control unit.
**Entire display will read "Done" with and the "Back" icon. Press "Select Switch" to go to the next control unit or scroll to the "All" at the top of the control unit list.
**Press "Select Switch" when" All " and the "Back" Icon appear on display. This exits the codes from all control units.
