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Home >> Jeep >> 2003 >> Grand Cherokee 2WD V8-4.7L >> Repair and Diagnosis >> A L L Diagnostic Trouble Codes ( DTC ) >> Testing and Inspection >> P Code Charts >> P0944

P0944

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Test 6:





SYMPTOM
P0944-LOSS OF PRIME

WHEN MONITORED
If the transmission is slipping in any forward gear and the pressure switches are not indicating pressure, a loss of prime test is run.

SET CONDITION
If the transmission begins to slip in a forward gear and the pressure switch(s) that should be closed are open a loss of prime test begins. Available elements are turned on by the TCM to see if pump prime exists. The DTC sets if no pressure switch(s) respond.

POSSIBLE CAUSES
- INVALID PRNDL CODE
- TRANSMISSION OIL FILTER
- TRANSMISSION OIL PUMP
- INTERMITTENT OPERATION