DTC U0140 Lost Communication With Body Control Module: Description

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 fails. If the power mode message is missing for 1 second or if the vehicle configuration and information data is not transmitted to the PSCM from the BCM.