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Drive Mode Description and Operation: Notes

The drive mode system is a customer configurable control that allows the vehicle operator to tailor the vehicle operation and driveabiity parameters based on driving conditions. The drive mode is controlled by the vehicle operator through the AWD switch (if equipped) and/or the Sport switch (if equipped), which is part of the S86 Vehicle Stability Control Switch. Both the AWD switch and the Sport switch are momentary switches that enables or disables their respective drive mode.

AWD Switch 

The AWD switch is an input to the K20 Engine Control Module. When the switch is pressed, the K20 Engine Control Module will broadcast a message to all modules indicating the requested drive mode. Control modules that are involved in changing their operation based on differing drive modes will then change their operating values.

The components of the drive mode are:

Other control modules or components that may respond to the commanded drive mode are:

K47 Rear Differential Clutch Control Module

Sport Switch 

The Sport switch is an input to the K9 Body Control Module. When the switch is pressed, the K9 Body Control Module will broadcast a message to all modules indicating the requested drive mode. Control modules that are involved in changing their operation based on differing drive modes will then change their operating values.

The components of the drive mode are:

Other control modules or components that may respond to the commanded drive mode are:

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