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Home >> Jeep >> 2010 >> Compass Sport, 2.4 B, ED3, FWD, Standard >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Transmission Control Module (TCM) - Electrical Diagnostics >> DTC Troubleshooting >> DTC P0966: Pressure Control Solenoid B Control Circuit Low >> Theory Of Operation
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Theory Of Operation

The Transmission Control Module (TCM) regulates the secondary pressure by pulsing the secondary pressure solenoid. The TCM monitors the secondary pressure solenoid voltage and current draw during operation.