LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 2021 >> Edge ST-Line, FWD >> Repair and Diagnosis (Single Page) >> External Pages >> Different car >> Section 172 (Lane Keeping System) >> Diagnosis And Testing >> Lane Keeping System >> Pinpoint Tests >> Pinpoint Test G : DTC (Diagnostic Trouble Code) U0140:87 >> Notes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Pinpoint Test G : DTC (Diagnostic Trouble Code) U0140:87: 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.

Refer to Module Communications Network for schematic and connector information.

Normal Operation and Fault Conditions 

The IPMA communicates with the BCM through the GWM.

DTC Description Fault Trigger Conditions
U0140:87 Lost Communication With Body Control Module: Missing Message A continuous memory DTC that sets in the IPMA if network messages received from the BCM over the HS-CAN1 through the GWM are missing for 10 seconds or more.

Possible Causes