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Home >> Jeep >> 2009 >> Wrangler X, Automatic >> Repair and Diagnosis >> Transmission >> Automatic Trans >> (Transmission Control Module (TCM) - Electrical Diagnostics) >> DTC Troubleshooting >> P0934-Line Pressure Sensor Circuit Low >> Possible Causes
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Possible Causes

Possible Causes 
(F856) 5-VOLT SUPPLY CIRCUIT OPEN
(F856) 5-VOLT SUPPLY CIRCUIT SHORTED TO GROUND
(T38) LINE PRESSURE SENSOR SIGNAL CIRCUIT OPEN
(T38) LINE PRESSURE SENSOR SIGNAL CIRCUIT SHORTED TO GROUND
LINE PRESSURE SENSOR
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting Procedure before proceeding. See  DTC-Based Diagnostics/MODULE, Transmission Control (TCM) - Standard Procedure  .