Vehicle Questions and Answers
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One of the most commonly reported problems with the electronic locking differential in a Ford F-150 is that it fails to unlock when engaged, causing it to remain stuck. To address this issue temporarily, locate and unplug a specific plug near the rear differential. This problem typically stems from a faulty ELD switch, which should be replaced promptly. The electronic locking differential in your vehicle, located in the rear axle, allows both rear wheels to rotate at the same speed, providing traction to prevent your vehicle from getting stuck. It automatically disengages when the vehicle exceeds 25mph and re-engages when the speed drops below 20mph.
The issue with the Ford F150's electronic locking differential is that it is unable to disengage.