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Home >> Jeep >> 2009 >> Compass Limited, EDG, Automatic CVT >> Repair and Diagnosis >> Transmission >> Automatic Trans >> (Transmission Control Module (TCM) - Electrical Diagnostics) >> DTC Troubleshooting >> P0843-Primary Oil Pressure Sensor Circuit High >> Possible Causes

Possible Causes

Possible Causes 
(T72) 5 VOLT SUPPLY CIRCUIT SHORTED TO VOLTAGE
(T21) PRIMARY PRESSURE SENSOR SIGNAL CIRCUIT SHORTED TO VOLTAGE
PRIMARY PRESSURE SENSOR
TRANSMISSION CONTROL MODULE

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

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