DTC U019B Lost Communication with Battery Charger Control Module: Description

WARNING: This page is about a different car, the 2017 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.

The BCCM is an internal part of the BCM.

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 6.5 volts and there are no DTCs present inhibiting PSCM operation.

DTC U019B:00 (Lost Communication with Battery Charger Control Module: No Sub Type Information) - This DTC sets if the messages from the BCCM are missing for more than 5 seconds and the PSCM has not set DTC U0001:88. The BCCM sends battery and charging status messages to the PSCM.