Warning Messages: 4WD
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 message center provides messages to check the 4x4 system, shifting instructions and to provide a system status when a fault condition exists.
For the 4WD fault message display, the IPC receives the 4WD service required message from the GWM over the HS-CAN3. The GWM receives the 4WD service required message from the TCCM over the HS-CAN2.
For the shifting instructions and system status messages, the IPC receives the 4x4 high/low status message from the GWM over the HS-CAN3. The GWM receives the 4x4 high/low status message from the TCCM over the HS-CAN2.