Shift Solenoid Valve State and Gear Ratio

WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.

Range Reference Table

Range	Gear	4-5-6-7-8 Reverse S5 N.H.	1-2-7-8 Reverse S1 N.H.	1-2-3-4-5 Reverse S2 N.L.	1-3-5-6-7 S3 N.L.	2-3-4-6-8 S4 N.H.	1-2-3-4-5 Rev BST S9	Default Control S8
Park	P	No Pressure	Pressure	Pressure	No Pressure	No Pressure	Off	Off
Reverse	R	Pressure	Pressure	Pressure	No Pressure	No Pressure	Off	Off
Neutral	N	No Pressure	Pressure	Pressure	No Pressure	No Pressure	Off	Off
D	1st	No Pressure	Pressure	Pressure	Pressure	No Pressure	Off	Off/On
	2nd	No Pressure	Pressure	Pressure	No Pressure	Pressure	Off	Off/On
	3rd	No Pressure	No Pressure	Pressure	Pressure	Pressure	Off	Off*
	4th	Pressure	No Pressure	Pressure	No Pressure	Pressure	Off	Off*
	5th	Pressure	No Pressure	Pressure	Pressure	No Pressure	Off	Off*
	6th	Pressure	No Pressure	No Pressure	Pressure	Pressure	On	Off*
	7th	Pressure	Pressure	No Pressure	Pressure	No Pressure	On	Off*
	8th	Pressure	Pressure	No Pressure	No Pressure	Pressure	On	Off*
NOTE: For solenoids S8 and S9, "On" = Solenoid energized (pressurized), "Off" = Solenoid De-energized (no pressure). *Default valve is hydraulically latched in the stroked position in this state. Default solenoid can be commanded ON for lube override.