FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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P0944

Symptom:
P0944-LOSS OF PRIME

Test 1:




Test 2-7:





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 Trans. begins to slip in a forward gear & the press. 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 code sets if no pressure switches respond.

POSSIBLE CAUSES
- SHIFT LEVER POSITION
- PLUGGED TRANSMISSION OIL FILTER
- TRANSMISSION OIL PUMP
- INTERMITTENT WIRING AND CONNECTORS