Circuit/System Description

The general system performance DTC sets based on a thermal module within the transfer case shift control module software. The components included in this thermal model are the motor driver within the transfer case shift control module, the shift motor, and the clutch inside the transfer case.

The General System Performance includes the following components:

• The transfer case shift control module
• The transfer case clutch
• The transfer case shift motor

This fault occurs when one of the three components included in the thermal model surpass the upper limits of this model indicating possible damage to the transfer case or other driveline components. This DTC detects an over temperature condition base on a thermal model.