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Home >> Jeep >> 2012 >> Compass Limited, AWD, Standard >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Transmission Control Module (TCM) - Electrical Diagnostics >> DTC Troubleshooting >> P0842-Primary Oil Pressure Sensor Circuit Low >> Possible Causes

Possible Causes

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

Always perform the CVT Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  STANDARD PROCEDURE  . 

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