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Home >> Fiat >> 2013 >> 500c Pop, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 ((Transmission Control Module (TCM) - Electrical Diagnostics) >> Diagnosis And Testing >> P0973-Shift Solenoid "A" Control Circuit Low >> Theory Of Operation

Theory Of Operation

WARNING: This page is about a different variant/trim than selected.

The (S1) Shift Solenoid No. 1 is used in conjunction with the Linear solenoids to control shifting. The Transmission Control Module (TCM) monitors the feedback state of the S1 solenoid for proper operation. If a fault is detected, the transmission will go into limp in mode, the Torque Converter Clutch (TCC) will be disabled, and the MIL will be illuminated.