DTC U0102: Lost Communication with Transfer Case 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 U0102:00 (Lost Communication with Transfer Case Control Module: No Sub Type Information) - This DTC sets when communication between the PSCM and the TCCM fails. For a list of the messages sent to the PSCM from the TCCM, refer to the Network Message List in Description and Operation in POWER STEERING SYSTEM . If messages are missing for more than the allotted time, DTC U0102:00 is set.