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 6.5 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. For a list of the messages sent to the PSCM from the BCM, refer to the Network Message List in Description and Operation in appropriate Steering System article. If messages are missing for more than the allotted time, DTC U0140:00 is set.