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Home >> Fiat >> 2012 >> 500 Pop, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 ((Transmission Control Module (TCM) - Electrical Diagnostics)) >> Diagnosis And Testing >> P2729-Pressure Control Solenoid "E" Control Circuit Low >> Theory Of Operation

Theory Of Operation

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

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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