Action Taken When the DTC Sets

WARNING: This page is about a different car, the 2016 Buick LaCrosse. However, it is still accessible from the selected car via links, so may be relevant.

The human machine interface control module sets the DTC.
A message is displayed indicating that the system performance is being impacted by the excessive temperature condition.
The module stops communicating on the MOST Bus network, but does not interrupt communication on the network.
The infotainment system and the Info Display Module will have limited or no functionality.
Components or other subsystems that interface with the infotainment system may have limited or no functionality.