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Home >> Jeep >> 2015 >> Compass Limited, AWD, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 ((Transmission Control Module (TCM) - Electrical Diagnostics - CVT Automatic Transmission)) >> DTC Troubleshooting >> P0843-Primary Oil Pressure Sensor Circuit High >> Theory Of Operation

Theory Of Operation

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The Transmission Control Module (TCM) monitors the input voltage from the primary pulley pressure sensor. When the voltage is above a predetermined limit a DTC will set.