2023 Ford Expedition Owners Manual -  Electronic Limited-Slip Differential (If Equipped)

 Electronic Limited-Slip Differential (If Equipped)

WHAT IS THE ELECTRONIC LIMITED-SLIP DIFFERENTIAL



The electronic limited-slip differential system directs torque across the axle, enabling the vehicle to drive over terrain and road conditions that a conventional axle cannot. The system is active at all times and requires no input from the driver.

Note:   If your vehicle is not at optimal operating conditions or a system fault is present, a warning may display in the instrument cluster. Depending on the warning, you may need to service your vehicle.

Operating the Electronic Limited-Slip Differential with a Spare or Mismatched Tires

If your vehicle has an electronic limited-slip differential, do not use a spare tire of a different size than the tire provided. If you have a spare tire installed, a message may appear indicating the system has disabled automatically or reduced function to prevent system overheat and damage. We recommend you reinstall the repaired or replaced spare tire as soon as possible. When you replace the spare tire, the system resumes normal operation on the next key cycle.

Trailer Towing

The electronic limited-slip differential enhances vehicle stability during trailer tow operation. During high demand trailering events, such as steep slopes, high speeds or with a spare tire, the system may provide a warning in the instrument cluster and reduce function or enter a temporarily disabled state. To resume normal function, stop the vehicle in a safe location and allow the unit to adequately cool. Once the system reaches normal operating temperatures, system function restores and the electronic limited-slip differential restored message displays.

ELECTRONIC LIMITED-SLIP DIFFERENTIAL INDICATORS



  The locker mode may automatically disengage based on certain conditions such as vehicle speed. When engaged, a telltale in the instrument cluster illuminates amber. When you exceed the speed the telltale turns gray, the locker disengages and stays in standby mode until you meet the speed conditions. If the system faults and the locker cannot engage, a warning message displays in the instrument cluster.