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Home >> Saturn >> 2002 >> LW200 Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 312 (Automatic Transaxle - 4T40-E/4T45-E - Diagnosis (DTC P0719 To DTC P0757)) >> Diagnostic Trouble Codes >> DTC P0753 >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2003 Saturn LW300, 2003 Saturn LW200, 2003 Saturn L300, and 2003 Saturn L200. However, it is still accessible from the selected car via links, so may be relevant.

The 1-2 shift solenoid (SS) valve controls fluid flow acting on the 1-2 shift valve. The solenoid is a normally-open valve that, in conjunction with the 2-3 shift solenoid (SS) valve, allows four different shifting combinations. Refer to Shift Solenoid Valve State and Gear Ratio . The 1-2 SS valve is attached to the control valve body, within the transmission.

The solenoid receives ignition voltage through the fused power feed circuit. The PCM commands the solenoid ON or OFF by providing a ground path.

When the PCM detects a continuous open, short to ground, or short to voltage in the 1-2 SS valve circuit, then DTC P0753 sets. DTC P0753 is a type A DTC.