Pinpoint Test I : U0140:87: Notes
WARNING: This page is about a different car, the 2017 Lincoln Navigator and 2017 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
Normal Operation and Fault Conditions
With the ignition ON, the BCM sends messages to the VDM over the HS-CAN. If the VDM does not receive these messages within a certain time frame, the VDM sets DTCs. For information on the network messages sent to the VDM by the BCM, refer to Vehicle Dynamic Suspension .
DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0140:87 | Lost Communication with Body Control Module: Missing Message | This DTC sets in continuous memory if any one of the following BCM messages is missing; car mode, ignition status and vehicle configuration data. This can be due to a BCM failure, a circuit failure on the HS-CAN or an excessive load on the network. |
Possible Causes
- Network communication concern
- Vehicle battery
- Charging system concern
- BCM