DTC U0140: Lost Communication With Body Control Module: Description

WARNING: This page is about a different car, the 2015 Ford Special Service Police Sedan and 2015 Ford Police Interceptor Sedan. However, it is still accessible from the selected car via links, so may be relevant.

The PSCM monitors the HS-CAN messages when the ignition has been on for more than 5 seconds, the voltage to the PSCM is greater than 9 volts and there are no DTCs present inhibiting PSCM operation.

DTC U0140:00 (Lost Communication with the Body Control Module: No Sub Type Information) - This DTC sets when communication between the PSCM and the BCM module fails. The BCM sends a battery load shed message to the PSCM, if this message is missing for 5 seconds or more, DTC U0140:00 is set.