ELD Indicator
WARNING: This page is about a different car, the 2018 Ford F-550 Super Duty, 2018 Ford F-450 Super Duty, 2018 Ford F-350 Super Duty, and 2018 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
The ELD indicator informs the driver the locking differential is engaged. The IPC receives the rear differential lock indicator request message from the GWM over the HS-CAN3. The GWM receives the rear differential lock indicator request message from the TCCM over the HS-CAN2.