2023 Ford Expedition Owner’s Manual — Locking and Unlocking the Electronic Limited-Slip Differential

  To manually activate or deactivate the locking feature of the system, press the electronic locking differential button.

With the locker engaged, the system electronically locks the differential causing both halfshafts to turn at the same rate. This increases traction during off road events.

ELECTRONIC LIMITED-SLIP DIFFERENTIAL – INFORMATION MESSAGES



Message	Description and Action
Check Electronic Limited Slip Differential	Displays when the system requires service.Have your vehicle checked as soon as possible.
Electronic Limited Slip Differential Off See Owner's Manual	Displays when the system requires service.Have your vehicle checked as soon as possible.
Electronic Limited Slip Differential Restored to Normal	Displays when the electronic limited slip differential system resumes normal function.
Electronic Limited Slip Differential Temporarily Disabled	Displays if the electronic limited slip differential system temporarily turns off due to overheating or an undersized spare tire. If you have an undersized spare tire installed, replace the spare tire with a full-sized tire as soon as possible. If not, stop the vehicle in a safe location and allow the system to cool.
Electronic Limited Slip Differential Reduced Torque	Displays if the electronic limited slip differential has limited functionality.This could be due to an undersized spare tire or caused by the system overheating.If you have an undersized spare tire installed, replace the spare tire with a full-sized tire as soon as possible.If you do not have an undersized spare tire installed, the vehicle has reduced functionality.Have your vehicle checked as soon as possible.
Electronic Limited Slip Differential Locking Feature Not Available	Displays when you select a drive mode that does not allow the electronic limited slip differential to turn on. This may also display when the electronic limited slip differential has a fault and the vehicle requests the locking feature.