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Home >> Jeep >> 2013 >> Compass Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 121 (Transmission Control Module (TCM) - Electrical Diagnostics) >> DTC Troubleshooting >> P0842-Primary Oil Pressure Sensor Circuit Low >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2012 Jeep Patriot and 2012 Jeep Compass. However, it is still accessible from the selected car via links, so may be relevant.
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  .