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Home >> Fiat >> 2012 >> 500c Pop, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 68 ((Transmission Control Module (TCM) - Electrical Diagnostics) >> Diagnosis And Testing >> P2730-Pressure Control Solenoid "E" Control Circuit High >> Theory Of Operation

Theory Of Operation

WARNING: This page is about a different car, the 2013 Fiat 500c and 2013 Fiat 500. However, it is still accessible from the selected car via links, so may be relevant.

The B1 Pressure Control Linear solenoid is used to control overall transmission line pressure. The Transmission Control Module (TCM) monitors the Solenoid current load and resistance. 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.

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