Circuit/System Description

The shift solenoid (SS) valve 1 is part of the lower control valve body. The SS valve 1 is a normally closed (NC) solenoid valve and controls fluid to the clutch select valve 3- and related clutches. The transmission control module (TCM) looks for a good shifts from first gear engine braking, to first gear freewheel, to second gear and then if third gear indicates neutral, and the TFP Sw 5 does not change states, the TCM sets the DTC.