FixVault

Pinpoint Test B : U0140:01: Notes

WARNING: This page is about a different car, the 2019 Ford F-550 Super Duty, 2019 Ford F-450 Super Duty, 2019 Ford F-350 Super Duty, and 2019 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.

U0140:01 

Normal Operation and Fault Conditions 

The GFM2 communicates with the BCM over the HS-CAN1. REFER to: Communications Network - System Operation and Component Description .

DTC Fault Trigger Conditions 

DTC Description Fault Trigger Conditions
U0140:01 Lost Communication With Body Control Module: General Electrical Failure A continuous memory DTC that sets in the GFM2 if data messages received from the BCM over the HS-CAN are missing.

Possible Sources