P0944

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 PCM to see if pump prime exists. The DTC sets if no pressure switches respond.

Test 1:

Test 2-6:

Test 7:

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