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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1139 (DTCS P0871 To U1449 - 65RFE Automatic Transmission - 1500) >> DTC Troubleshooting >> P0944-Loss Of Hydraulic Pump Prime >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2016 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
SHIFT LEVER OUT OF ADJUSTMENT
IMPROPER FLUID LEVEL
CRACKED OR IMPROPERLY INSTALLED PRIMARY OIL FILTER OR SEAL
LOOSE COOLER RETURN FILTER
STUCK OR STICKING MAIN REGULATOR VALVE
TRANSMISSION OIL PUMP

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  65RFE PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .